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Paul EN, Grey JA, Carpenter TJ, Madaj ZB, Lau KH, Givan SA, Burns GW, Chandler RL, Wegienka GR, Shen H, Teixeira JM. Transcriptome and DNA methylome analyses reveal underlying mechanisms for the racial disparity in uterine fibroids. JCI Insight 2022; 7:160274. [PMID: 36066972 PMCID: PMC9714787 DOI: 10.1172/jci.insight.160274] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 08/31/2022] [Indexed: 12/14/2022] Open
Abstract
Uterine fibroids (leiomyomas) affect Black women disproportionately compared with women of other races and ethnicities in terms of prevalence, incidence, and severity of symptoms. The causes of this racial disparity are essentially unknown. We hypothesized that myometria of Black women are more susceptible to developing fibroids, and we examined the transcriptomic and DNA methylation profiles of myometria and fibroids from Black and White women for comparison. Myometrial samples cluster by race in both their transcriptome and DNA methylation profiles, whereas fibroid samples only cluster by race in the latter. More differentially expressed genes (DEGs) were detected in the Black and White myometrial sample comparison than in the fibroid comparison. Leiomyoma gene set expression analysis identified 4 clusters of DEGs, including a cluster of 24 genes with higher expression in myometrial samples from Black women. One of the DEGs in this group, von Willibrands factor (VWF), was significantly hypomethylated in both myometrial samples from Black women and in all fibroids at 2 CpG probes that are near a putative enhancer site and that are correlated with VWF expression levels. These results suggest that the molecular basis for the disparity in fibroid disease between Black and White women could be found in the myometria before fibroid development and not in the fibroids themselves.
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Affiliation(s)
- Emmanuel N. Paul
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan, USA
| | - Joshua A. Grey
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan, USA
| | - Tyler J. Carpenter
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan, USA
| | - Zachary B. Madaj
- Bioinformatics and Biostatistics, Van Andel Institute, Grand Rapids, Michigan, USA
| | - Kin H. Lau
- Bioinformatics and Biostatistics, Van Andel Institute, Grand Rapids, Michigan, USA
| | - Scott A. Givan
- Bioinformatics and Biostatistics, Van Andel Institute, Grand Rapids, Michigan, USA
| | - Gregory W. Burns
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan, USA
| | - Ronald L. Chandler
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan, USA
| | - Ganesa R. Wegienka
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, Michigan, USA
| | - Hui Shen
- Department of Epigenetics, Van Andel Institute, Grand Rapids, Michigan, USA
| | - Jose M. Teixeira
- Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan, USA
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Florez Romero A, Rojas W, Reverend L. C, Torres L, Quintero G. Proteína moduladora de la actividad del receptor de aril hidrocarburos (AIP): genética, bioquímica e impacto clínico. REPERTORIO DE MEDICINA Y CIRUGÍA 2021. [DOI: 10.31260/repertmedcir.01217273.888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
El gen AIP (proteína moduladora de la actividad del receptor de aril hidrocarburos) se localiza en la región 11q13.2 y codifica para una proteína de 330 aminoácidos que interactúa con el factor de transcripción AhR (receptor para aril hidrocarburos). Las mutaciones en este gen se han asociado con adenomas pituitarios aislados de tipo familiar (APAF). Se caracterizan por una presentación temprana (alrededor de 20 años), por lo regular producen hormona de crecimiento y/o prolactina, tienen un comportamiento clínico agresivo y poca respuesta a análogos de somatostatina.
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Trarbach EB, Trivellin G, Grande IPP, Duarte FHG, Jorge AAL, do Nascimento FBP, Garmes HM, Nery M, Mendonca BB, Stratakis CA, Bronstein MD, Jallad RS. Genetics, clinical features and outcomes of non-syndromic pituitary gigantism: experience of a single center from Sao Paulo, Brazil. Pituitary 2021; 24:252-261. [PMID: 33156432 DOI: 10.1007/s11102-020-01105-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/26/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE Non-syndromic pituitary gigantism (PG) is a very rare disease. Aryl hydrocarbon receptor-interacting protein (AIP) and G protein-coupled receptor 101 (GPR101) genetic abnormalities represent important etiologic causes of PG and may account for up to 40% of these cases. Here, we aimed to characterize the clinical and molecular findings and long-term outcomes in 18 patients (15 males, three females) with PG followed at a single tertiary center in Sao Paulo, Brazil. METHODS Genetic testing for AIP and GPR101 were performed by DNA sequencing, droplet digital PCR and array comparative genomic hybridization (aCGH). RESULTS Pathogenic variants in the AIP gene were detected in 25% of patients, including a novel variant in splicing regulatory sequences which was present in a sporadic male case. X-LAG due to GPR101 microduplication was diagnosed in two female patients (12.5%). Of interest, these patients had symptoms onset by age 5 and 9 years old and diagnosis at 5 and 15 years, respectively. X-LAG, but not AIP, patients had a significantly lower age of symptoms onset and diagnosis and a higher height Z-score when compared to non-X-LAG. No other differences in clinical features and/or treatment outcomes were observed among PG based on their genetic background. CONCLUSION We characterize the clinical and molecular findings and long-term outcome of the largest single-center PG cohort described so far.
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Affiliation(s)
- Ericka B Trarbach
- Laboratorio de Endocrinologia Celular E Molecular/LIM25, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
- Unidade de Neuroendocrinologia, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Av Dr Eneas de Carvalho Aguiar, 155, PAMB, 8 andar, São Paulo, SP, CEP 05403-010, Brazil
| | - Giampaolo Trivellin
- Section on Endocrinology and Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
- Endocrinology Unit and Laboratory of Cellular and Molecular Endocrinology, Humanitas Clinical and Research Center-IRCCS, Rozzano, MI, Italy
| | - Isabella P P Grande
- Laboratorio de Endocrinologia Celular E Molecular/LIM25, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Felipe H G Duarte
- Unidade de Neuroendocrinologia, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Av Dr Eneas de Carvalho Aguiar, 155, PAMB, 8 andar, São Paulo, SP, CEP 05403-010, Brazil
| | - Alexander A L Jorge
- Laboratorio de Endocrinologia Celular E Molecular/LIM25, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Felipe Barjud Pereira do Nascimento
- Faculdade de Medicina, Instituto de Radiologia, Hospital das Clinicas HCFMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
- Departamento de Radiologia E Diagnóstico Por Imagem, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
| | - Heraldo M Garmes
- Divisao de Endocrinologia, Departamento de Clinica Medica, Faculdade de Ciencias Medicas da Universidade Estadual de Campinas (FCM-Unicamp), Campinas, SP, Brazil
| | - Marcia Nery
- Unidade de Diabetes, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Berenice B Mendonca
- Unidade de Endocrinologia Do Desenvolvimento, Laboratorio de Hormonios E Genetica Molecular/LIM42, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Constantine A Stratakis
- Section on Endocrinology and Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Marcello D Bronstein
- Unidade de Neuroendocrinologia, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Av Dr Eneas de Carvalho Aguiar, 155, PAMB, 8 andar, São Paulo, SP, CEP 05403-010, Brazil
| | - Raquel S Jallad
- Laboratorio de Endocrinologia Celular E Molecular/LIM25, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil.
- Unidade de Neuroendocrinologia, Disciplina de Endocrinologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Av Dr Eneas de Carvalho Aguiar, 155, PAMB, 8 andar, São Paulo, SP, CEP 05403-010, Brazil.
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Abstract
Sellar region lesions include a broad range of benign and malignant neoplastic as well as non-neoplastic entities, many of which are newly described or have recently revised nomenclature. In contrast to other intracranial sites, imaging features are relatively less specific, and the need for histopathological diagnosis is of paramount importance. This review will describe pituitary adenomas, inflammatory lesions, and tumors unique to the region (craniopharyngioma) as well as tumors which may occur in but are not exclusively localized to the sellar location (schwannoma, metastasis, etc.).
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Affiliation(s)
- Katherine E Schwetye
- Department of Pathology, Saint Louis University, 1402 South Grand Boulevard, St Louis, MO 63104, USA
| | - Sonika M Dahiya
- Department of Pathology and Immunology, Washington University in St. Louis, 660 South Euclid Avenue, St Louis, MO 63110, USA.
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Liang H, Gong F, Liu Z, Yang Y, Yao Y, Wang R, Wang L, Chen M, Pan H, Zhu H. A Chinese Case of X-Linked Acrogigantism and Systematic Review. Neuroendocrinology 2021; 111:1164-1175. [PMID: 33049741 DOI: 10.1159/000512240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 10/12/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION This study described a Chinese case of X-linked acrogigantism (X-LAG) and summarized the characteristics and treatment of all reported cases. METHODS Clinical materials and biological samples from a 5-year and 2-month-old female due to "growth acceleration for 4 years" were collected. Array comparative genomic hybrid (aCGH) and further verification were performed. All X-LAG cases from the PubMed and Web of Science databases were collected and summarized with available data. RESULTS The patient presented accelerating growth since 1 year, and her height reached 134.6 cm (+5.24 standard deviation score [SDS]) when she was 5-year and 2-month old. She also had coarsening facial features, snoring, and acral enlargement. Growth hormone (GH) was not suppressed by the glucose-GH inhibition test, and insulin-like growth factor 1 (IGF-1) and prolactin (PRL) levels were elevated. Pituitary MRI revealed a pituitary enlargement with a maximum diameter of 22.3 mm. Octreotide imaging indicated the presence of a pituitary adenoma. The tumor shrank slightly after 3 courses of somatostatin analog but without clinical or biochemical remissions, of which the GH nadir value was 9.4 ng/mL, and IGF-1 was elevated to 749 ng/mL. Therefore, she underwent transsphenoidal surgery. Immunohistochemistry showed GH-positive and PRL-positive cells in the pituitary adenoma. Xq26.3 microduplication of the patient's germline DNA was identified by aCGH. Of all 35 reported cases, females accounted for 71.43%. There were 93.10% and 53.83% patients with hyperprolactinemia and hyperinsulinemia, respectively. Pathology showed that 75.00% of cases were adenomas. Ninety percent of cases had germline variants. The clinical and biochemical remission rates were 78.26% and 82.61%, respectively. However, the rate of complication occurrence during therapy reached 80%. CONCLUSION It is important to recognize the possibility of X-LAG when a child under 2-year old presents overgrowth. Early diagnosis and treatment are of great importance for better treatment efficacy and clinical outcome.
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Affiliation(s)
- Hanting Liang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Fengying Gong
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Zhihui Liu
- Department of Endocrinology and Metabolism, The First Hospital of Shijiazhuang City, Shijiazhuang, China
| | - Yingying Yang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yong Yao
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Renzhi Wang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Linjie Wang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Meiping Chen
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hui Pan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Huijuan Zhu
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China,
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Vasilev V, Daly AF, Zacharieva S, Beckers A. Clinical and Molecular Update on Genetic Causes of Pituitary Adenomas. Horm Metab Res 2020; 52:553-561. [PMID: 32299111 DOI: 10.1055/a-1143-5930] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Pituitary adenomas are benign tumors with variable functional characteristics that can have a significant impact on patients. The majority arise sporadically, but an inherited genetic susceptibility is increasingly being recognized. Recent advances in genetics have widened the scope of our understanding of pituitary tumorigenesis. The clinical and genetic characteristics of pituitary adenomas that develop in the setting of germline-mosaic and somatic GNAS mutations (McCune-Albright syndrome and sporadic acromegaly), germline MEN1 mutations (multiple endocrine neoplasia type 1), and germline PRKAR1A mutations (Carney complex) have been well described. Non-syndromic familial cases of isolated pituitary tumors can occur as familial isolated pituitary adenomas (FIPA); mutations/deletions of the AIP gene have been found in a minority of these. Genetic alterations in GPR101 have been identified recently as causing X-linked acro-gigantism (X-LAG) leading to very early-onset pediatric gigantism. Associations of pituitary adenomas with other tumors have been described in syndromes like multiple endocrine neoplasia type 4, pheochromocytoma-paraganglioma with pituitary adenoma association (3PAs) syndrome and some of their genetic causes have been elucidated. The genetic etiologies of a significant proportions of sporadic corticotropinomas have recently been identified with the discovery of USP8 and USP48 mutations. The elucidation of genetic and molecular pathophysiology in pituitary adenomas is a key factor for better patient management and effective follow-up.
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Affiliation(s)
- Vladimir Vasilev
- Department of Endocrinology, CHU de Liège, Liège Université, Liège, Belgium
- Department of Endocrinology, Medical University, Sofia, Bulgaria
| | - Adrian F Daly
- Department of Endocrinology, CHU de Liège, Liège Université, Liège, Belgium
| | | | - Albert Beckers
- Department of Endocrinology, CHU de Liège, Liège Université, Liège, Belgium
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Gergics P. Pituitary Transcription Factor Mutations Leading to Hypopituitarism. EXPERIENTIA SUPPLEMENTUM (2012) 2019; 111:263-298. [PMID: 31588536 DOI: 10.1007/978-3-030-25905-1_13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Congenital pituitary hormone deficiency is a disabling condition. It is part of a spectrum of disorders including craniofacial midline developmental defects ranging from holoprosencephaly through septo-optic dysplasia to combined and isolated pituitary hormone deficiency. The first genes discovered in the human disease were based on mouse models of dwarfism due to mutations in transcription factor genes. High-throughput DNA sequencing technologies enabled clinicians and researchers to find novel genetic causes of hypopituitarism for the more than three quarters of patients without a known genetic diagnosis to date. Transcription factor (TF) genes are at the forefront of the functional analysis of novel variants of unknown significance due to the relative ease in in vitro testing in a research lab. Genetic testing in hypopituitarism is of high importance to the individual and their family to predict phenotype composition, disease progression and to avoid life-threatening complications such as secondary adrenal insufficiency.This chapter aims to highlight our current understanding about (1) the contribution of TF genes to pituitary development (2) the diversity of inheritance and phenotype features in combined and select isolated pituitary hormone deficiency and (3) provide an initial assessment on how to approach variants of unknown significance in human hypopituitarism. Our better understanding on how transcription factor gene variants lead to hypopituitarism is a meaningful step to plan advanced therapies to specific genetic changes in the future.
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Affiliation(s)
- Peter Gergics
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, USA.
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Iglesias P, Rodríguez Berrocal V, Díez JJ. Giant pituitary adenoma: histological types, clinical features and therapeutic approaches. Endocrine 2018; 61:407-421. [PMID: 29909598 DOI: 10.1007/s12020-018-1645-x] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Accepted: 05/29/2018] [Indexed: 12/23/2022]
Abstract
Giant pituitary adenomas comprise about 6-10% of all pituitary tumors. They are mostly clinically non-functioning adenomas and occur predominantly in males. The presenting symptoms are usually secondary to compression of neighboring structures, but also due to partial or total hypopituitarism. Functioning adenomas give rise to specific symptoms of hormonal hypersecretion. The use of dopamine agonists is considered a first-line treatment in patients with giant macroprolactinomas. Somatostatin analogs can also be used as primary treatment in cases of growth hormone and thyrotropin producing giant adenomas, although remission of the disease is not achieved in the vast majority of these patients. Neurosurgical treatment, either through transsphenoidal or transcranial surgery, continues to be the treatment of choice in the majority of patients with giant pituitary adenomas. The intrinsic complexity of these tumors requires the use of different therapies in a combined or sequential way. A multimodal approach and a therapeutic strategy involving a multidisciplinary team of expert professionals form the basis of the therapeutic success in these patients.
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Affiliation(s)
- Pedro Iglesias
- Department of Endocrinology. Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain.
| | | | - Juan José Díez
- Department of Endocrinology. Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
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