Journal of Pediatric Endocrinology & Metabolism最新文献

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Early change of retinal nerve fiber layer in children with type 1 diabetes mellitus in northern China. 中国北方 1 型糖尿病患儿视网膜神经纤维层的早期变化。
IF 1.4 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-18 Print Date: 2024-04-25 DOI: 10.1515/jpem-2023-0446
Dejing Wu, Rongxiu Zheng, Xuan Kan, Liping Hao, Ying Wei, Jie Cao
{"title":"Early change of retinal nerve fiber layer in children with type 1 diabetes mellitus in northern China.","authors":"Dejing Wu, Rongxiu Zheng, Xuan Kan, Liping Hao, Ying Wei, Jie Cao","doi":"10.1515/jpem-2023-0446","DOIUrl":"10.1515/jpem-2023-0446","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to identify discrepancies in the retinal nerve fiber layer (RNFL) between type 1 diabetes mellitus (T1DM) children without retinopathy and healthy subjects in northern China.</p><p><strong>Methods: </strong>This was a cross-sectional hospital-based study carried out from Jan 2019 until Jul 2021 at the department of pediatrics in Tianjin medical university general hospital. Children with T1DM but no retinal disease were screened. RNFL thickness was obtained via spectral domain optical coherence tomography. Disease duration, HbA<sub>1c</sub>, 25-hydroxyvitamin D level, insulin regimen, and diet control status were also collected.</p><p><strong>Results: </strong>A total of 20 children with T1DM and 20 matched health participants were enrolled. The mean age in the T1DM group was 10.3 ± 2.8 years, and the median duration of diabetes was 1 (range 1-3) year. Children with T1DM had thinner average RNFL than control subjects (105 ± 6 vs. 110 ± 11 μm, p=0.008), especially in temporal and nasal parts. There was a significant negative association between HbA<sub>1c</sub> levels and the RNFL thickness in the T1DM group (B (95 % confidence interval): -4.313 (-7.055 to -1.571); p=0.005).</p><p><strong>Conclusions: </strong>In our study, the decreased thickness of RNFL was negatively associated with elevated HbA<sub>1c</sub> in children with early stages of T1DM.</p>","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"341-346"},"PeriodicalIF":1.4,"publicationDate":"2024-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140133074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigating the connection among thyroid function, sensitivity to thyroid hormones, and metabolic syndrome in euthyroid children and adolescents affected by type 1 diabetes. 研究受1型糖尿病影响的甲状腺功能正常的儿童和青少年的甲状腺功能、对甲状腺激素的敏感性和代谢综合征之间的联系。
IF 1.4 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-12 Print Date: 2024-04-25 DOI: 10.1515/jpem-2023-0565
Valeria Calcaterra, Chiara Mameli, Maddalena Macedoni, Annalisa De Silvestri, Laura Sgambetterra, Federico Nosenzo, Francesca Chiara Redaelli, Agnese Petitti, Alessandra Bosetti, Gianvincenzo Zuccotti
{"title":"Investigating the connection among thyroid function, sensitivity to thyroid hormones, and metabolic syndrome in euthyroid children and adolescents affected by type 1 diabetes.","authors":"Valeria Calcaterra, Chiara Mameli, Maddalena Macedoni, Annalisa De Silvestri, Laura Sgambetterra, Federico Nosenzo, Francesca Chiara Redaelli, Agnese Petitti, Alessandra Bosetti, Gianvincenzo Zuccotti","doi":"10.1515/jpem-2023-0565","DOIUrl":"10.1515/jpem-2023-0565","url":null,"abstract":"<p><strong>Objectives: </strong>A connection between thyroid hormones (THs) and diverse metabolic pathways has been reported. We evaluated thyroid function and tissue sensitivity to THs in children and adolescents with T1D in comparison to euthyroid controls. Additionally, we investigate whether a relationship exists between sensitivity indices and metabolic parameters.</p><p><strong>Methods: </strong>A retrospective analysis was conducted on 80 pediatric patients diagnosed with T1D. Clinical parameters, TSH, FT3, FT4, and the presence of MS were documented. Additionally, indices of peripheral sensitivity (FT3/FT4 ratio) and central sensitivity (TSH index, TSHI; TSH T4 resistance index, TT4RI; TSH T3 resistance index, TT3RI) were assessed. Thirty healthy subjects were considered as controls.</p><p><strong>Results: </strong>The overall prevalence of MS was 7.27 %, with MS identified in 8 out of 80 (10 %) T1D subjects; none of the controls manifested MS (p<0.01). No significant differences were observed in indexes of tissue sensitivity to THs between subjects with or without MS (all p>0.05). Correlations between THs and indexes of THs tissue sensitivity and metabolic parameters in controls and T1D patients were noted.</p><p><strong>Conclusions: </strong>This study affirms a heightened prevalence of MS in children with T1D compared to controls and underscores the potential role of THs in maintaining metabolic equilibrium.</p>","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"347-352"},"PeriodicalIF":1.4,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140095046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ectopic lingual thyroid with subclinical hypothyroidism in children. 儿童舌侧异位甲状腺伴亚临床甲状腺功能减退症
IF 1.4 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-12 Print Date: 2024-05-27 DOI: 10.1515/jpem-2023-0538
Se Jin An, Min Hyung Cho, Young Suk Shim, Hae Sang Lee, Jin Soon Hwang
{"title":"Ectopic lingual thyroid with subclinical hypothyroidism in children.","authors":"Se Jin An, Min Hyung Cho, Young Suk Shim, Hae Sang Lee, Jin Soon Hwang","doi":"10.1515/jpem-2023-0538","DOIUrl":"10.1515/jpem-2023-0538","url":null,"abstract":"<p><strong>Objectives: </strong>Lingual thyroid is a rare condition that affects approximately 1 in 100,000 individuals. Although it is usually detected in the pediatric population through newborn screening tests or evaluation of congenital hypothyroidism, there are cases in which it remains undetected until adulthood or until symptoms arise because of glandular enlargement. The possible symptoms of lingual thyroid include foreign body sensation in the throat, dysphagia, dyspnea, and hemorrhage. Several cases of lingual thyroid are asymptomatic and accompanied by subclinical hypothyroidism. Herein, we present three cases of lingual thyroid treated with thyroid hormone suppressive therapy.</p><p><strong>Case presentation: </strong>The three patients sought medical attention because of a sore throat or foreign body sensation in the throat. Their newborn screening tests and developmental histories were normal. These patients exhibited subclinical hypothyroidism and were treated with hormone suppression therapy.</p><p><strong>Conclusions: </strong>Patients with lingual thyroid frequently exhibit subclinical hypothyroidism. Hormone treatment may help to reduce the size of the ectopic thyroid and improve symptoms. If an increase in size is noted during follow-up or symptoms do not improve, surgical treatments may be considered.</p>","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"472-476"},"PeriodicalIF":1.4,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140095044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of copeptin in children after stimulation with clonidine or L-Dopa. 评估氯尼丁或左旋多巴刺激后儿童体内的 copeptin。
IF 1.4 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-12 Print Date: 2024-05-27 DOI: 10.1515/jpem-2024-0062
Aristeidis Giannakopoulos, Dimitra Kritikou, Dionisios Chrysis
{"title":"Evaluation of copeptin in children after stimulation with clonidine or L-Dopa.","authors":"Aristeidis Giannakopoulos, Dimitra Kritikou, Dionisios Chrysis","doi":"10.1515/jpem-2024-0062","DOIUrl":"10.1515/jpem-2024-0062","url":null,"abstract":"<p><strong>Objectives: </strong>Arginine-stimulated serum copeptin has been proposed as a new method to diagnose arginine vasopressin (AVP) deficiency in children and adolescents. Herein we investigated the secretagogic potential of clonidine or L-Dopa on the copeptin serum levels in children.</p><p><strong>Methods: </strong>Eight stimulation tests (4 with clonidine and 4 with L-Dopa) were performed in eight children (5 boys and 3 girls) with a median age of 6.5 years-old, evaluated for short stature due to possible growth hormone deficiency. Serum copeptin levels were measured at 30, 60, 90, and 120 min after administration of clonidine or L-Dopa.</p><p><strong>Results: </strong>Copeptin levels in serum did not show any significant change in either test (clonidine or L-Dopa). The values of copeptin levels compared to the baseline value did not deviate more than 5 % in the clonidine arm (p=0.60) or 8 % in the L-Dopa arm (p=0.75) respectively.</p><p><strong>Conclusions: </strong>Data do not support the use of L-Dopa or clonidine as stimulants for evaluating AVP relating disorders in clinical pediatric practice.</p>","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"441-444"},"PeriodicalIF":1.4,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140095045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Long term clinical follow up of four patients with Wolfram syndrome and urodynamic abnormalities. 对四名沃尔夫拉姆综合征和尿动力学异常患者的长期临床随访。
IF 1.4 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-12 Print Date: 2024-05-27 DOI: 10.1515/jpem-2023-0531
Nimisha S Dange, Nikhil Shah, Chirantap Oza, Jyoti Sharma, Jyoti Singhal, Sushil Yewale, Shruti Mondkar, Shriniwas Ambike, Vaman Khadilkar, Anuradha V Khadilkar
{"title":"Long term clinical follow up of four patients with Wolfram syndrome and urodynamic abnormalities.","authors":"Nimisha S Dange, Nikhil Shah, Chirantap Oza, Jyoti Sharma, Jyoti Singhal, Sushil Yewale, Shruti Mondkar, Shriniwas Ambike, Vaman Khadilkar, Anuradha V Khadilkar","doi":"10.1515/jpem-2023-0531","DOIUrl":"10.1515/jpem-2023-0531","url":null,"abstract":"<p><strong>Objectives: </strong>Wolfram syndrome is characterised by insulin-dependent diabetes (IDDM), diabetes insipidus (DI), optic atrophy, sensorineural deafness and neurocognitive disorders. The DIDMOAD acronym has been recently modified to DIDMOAUD suggesting the rising awareness of the prevalence of urinary tract dysfunction (UD). End stage renal disease is the commonest cause of mortality in Wolfram syndrome. We present a case series with main objective of long term follow up in four children having Wolfram syndrome with evaluation of their urodynamic profile.</p><p><strong>Methods: </strong>A prospective follow up of four genetically proven children with Wolfram syndrome presenting to a tertiary care pediatric diabetes clinic in Pune, India was conducted. Their clinical, and urodynamic parameters were reviewed.</p><p><strong>Results: </strong>IDDM, in the first decade, was the initial presentation in all the four children (three male and one female). Three children had persistent polyuria and polydipsia despite having optimum glycemic control; hence were diagnosed to have DI and treated with desmopressin. All four patients entered spontaneous puberty. All patients had homozygous mutation in WFS1 gene; three with exon 8 and one with exon 6 novel mutations. These children with symptoms of lower urinary tract malfunction were further evaluated with urodynamic studies; two of them had hypocontractile detrusor and another had sphincter-detrusor dyssynergia. Patients with hypocontractile bladder were taught clean intermittent catheterization and the use of overnight drain.</p><p><strong>Conclusions: </strong>We report a novel homozygous deletion in exon 6 of WFS-1 gene. The importance of evaluation of lower urinary tract malfunction is highlighted by our case series. The final bladder outcome in our cases was a poorly contractile bladder in three patients.</p>","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"434-440"},"PeriodicalIF":1.4,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140095047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ovarian reserve and fertility parameters in post-pubertal females with congenital adrenal hyperplasia: a case-control study. 患有先天性肾上腺皮质增生症的青春期后女性的卵巢储备和生育参数:一项病例对照研究。
IF 1.4 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-11 Print Date: 2024-04-25 DOI: 10.1515/jpem-2023-0462
Marwa Nawar, Marwa Sayed Mohammad, Asmaa Shabaan, Heba Elsedfy
{"title":"Ovarian reserve and fertility parameters in post-pubertal females with congenital adrenal hyperplasia: a case-control study.","authors":"Marwa Nawar, Marwa Sayed Mohammad, Asmaa Shabaan, Heba Elsedfy","doi":"10.1515/jpem-2023-0462","DOIUrl":"10.1515/jpem-2023-0462","url":null,"abstract":"<p><strong>Objectives: </strong>Congenital adrenal hyperplasia (CAH) is an autosomal recessive disorder characterized by impaired activity of the enzyme required for cortisol and aldosterone production, resulting in increased adrenal androgen synthesis. Factors affecting fertility in CAH patients include ambiguous genitalia and their complications, excessive androgen secretion, adrenal progesterone hypersecretion, and various psychosocial factors. Serum anti-Müllerian hormone (AMH) level is used to assess ovarian reserve in women. A few data on serum AMH levels in CAH patients are available in the literature. The aim of the study was to evaluate ovarian reserve in a group of post-menarche females diagnosed with CAH by measuring serum AMH level and assessing the number of antral follicles sonographically.</p><p><strong>Methods: </strong>A case-control study was conducted on 17 post-pubertal CAH females and 17 age-matched healthy female controls; the mean age of the patient group was 15.09 ± 3.55 years ranging from 11 to 24 years, while the mean age of the control group was 16.04 ± 3.72 years ranging from 12 to 25 years, the mean post-menarchal age of the patients group was 3.29 ± 1.37 years ranging from 1 to 6 years while the mean post-menarchal age of the control group was 4.13 ± 1.62 years ranging from 1 to 9 years. The degree of hirsutism was compared between the two groups according to the modified Ferriman-Gallwey score, clitoral length was assessed using a digital caliber. Serum levels of adrenal androgens in addition to basal levels of serum follicle-stimulating hormone (FSH), luteinizing hormone (LH), estradiol, progesterone, and serum AMH were measured in both groups.</p><p><strong>Results: </strong>Patients had smaller uterine volumes, and smaller ovarian volumes but a comparable number of antral follicles and comparable serum AMH levels relative to controls.</p><p><strong>Conclusions: </strong>Good compliance with treatment in patients with CAH results in good hormonal control, low risk of PCOS, good fertility parameters, and a good ovarian reserve.</p>","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"336-340"},"PeriodicalIF":1.4,"publicationDate":"2024-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140066145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pituitary stalk interruption syndrome due to novel ROBO1 mutation presenting as combined pituitary hormone deficiency and central diabetes insipidus. 新型ROBO1突变导致垂体柄中断综合征,表现为垂体激素缺乏和中枢性糖尿病。
IF 1.4 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-07 Print Date: 2024-05-27 DOI: 10.1515/jpem-2023-0541
Raiz Ahmad Misgar, Ankit Chhabra, Ajaz Qadir, Sidharth Arora, Arshad Iqbal Wani, Mir Iftikhar Bashir, Shariq Rashid Masoodi
{"title":"Pituitary stalk interruption syndrome due to novel <i>ROBO1</i> mutation presenting as combined pituitary hormone deficiency and central diabetes insipidus.","authors":"Raiz Ahmad Misgar, Ankit Chhabra, Ajaz Qadir, Sidharth Arora, Arshad Iqbal Wani, Mir Iftikhar Bashir, Shariq Rashid Masoodi","doi":"10.1515/jpem-2023-0541","DOIUrl":"10.1515/jpem-2023-0541","url":null,"abstract":"<p><strong>Objectives: </strong>The genetic causes of pituitary stalk interruption syndrome (PSIS) remain elusive in 95 % of cases. The roundabout receptor-1 gene (<i>ROBO1</i>) plays critical roles in axonal guidance and cell migration. Recently, mutations in the <i>ROBO1</i> gene have been reported patients with PSIS.</p><p><strong>Case presentation: </strong>We report a 2.9-year-old boy with PSIS who presented with combined pituitary hormone deficiency, central diabetes insipidus, and the classical triad of MRI findings. Through clinical exome sequencing using next-generation sequencing techniques, a previously unidentified novel heterozygous frame shift mutation in the <i>ROBO1</i> gene was identified. This is the first report of <i>ROBO1</i> mutation associated with posterior pituitary dysfunction.</p><p><strong>Conclusions: </strong>We conclude and emphasize that <i>ROBO1</i> should be investigated in patients with PSIS. Our case is unique in the published literature in that we are first time reporting posterior pituitary dysfunction as manifestation of <i>ROBO1</i> mutation. The full clinical spectrum of the mutations may not be fully known.</p>","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"477-481"},"PeriodicalIF":1.4,"publicationDate":"2024-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140040767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Struggle for the future health of adolescent patients with phenylketonuria and parents with a sick child due to the economic crisis. 由于经济危机,苯丙酮尿症青少年患者和患病儿童的父母为未来的健康而奋斗。
IF 1.4 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-05 Print Date: 2024-04-25 DOI: 10.1515/jpem-2024-0075
Kostas Iakovou
{"title":"Struggle for the future health of adolescent patients with phenylketonuria and parents with a sick child due to the economic crisis.","authors":"Kostas Iakovou","doi":"10.1515/jpem-2024-0075","DOIUrl":"10.1515/jpem-2024-0075","url":null,"abstract":"","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"365-366"},"PeriodicalIF":1.4,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140023133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of phenylketonuria on family quality of life. 苯丙酮尿症对家庭生活质量的影响。
IF 1.4 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-05 Print Date: 2024-04-25 DOI: 10.1515/jpem-2024-0081
Kostas Konstantinos Iakovou
{"title":"The effect of phenylketonuria on family quality of life.","authors":"Kostas Konstantinos Iakovou","doi":"10.1515/jpem-2024-0081","DOIUrl":"10.1515/jpem-2024-0081","url":null,"abstract":"","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"363-364"},"PeriodicalIF":1.4,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140023134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New data supporting that early diagnosis and treatment are possible and necessary in intracellular cobalamin depletion: the case of transcobalamin II deficiency. 新数据支持细胞内钴胺素缺乏症的早期诊断和治疗:经钴胺素 II 缺乏症。
IF 1.3 4区 医学
Journal of Pediatric Endocrinology & Metabolism Pub Date : 2024-03-05 Print Date: 2024-04-25 DOI: 10.1515/jpem-2023-0577
Bindi Verónica, Carolina Crespo, Noelia Lochner, Estefanía Rossetti, Cecilia Tagliavini, Carolina Bouso, Hernan Eiroa
{"title":"New data supporting that early diagnosis and treatment are possible and necessary in intracellular cobalamin depletion: the case of transcobalamin II deficiency.","authors":"Bindi Verónica, Carolina Crespo, Noelia Lochner, Estefanía Rossetti, Cecilia Tagliavini, Carolina Bouso, Hernan Eiroa","doi":"10.1515/jpem-2023-0577","DOIUrl":"10.1515/jpem-2023-0577","url":null,"abstract":"<p><strong>Objectives: </strong>Transcobalamin II (TC) promotes the cellular uptake of cobalamin (Cbl) through receptor-mediated endocytosis of the TC-cbl complex in peripheral tissues. TC deficiency is a rare disorder that causes intracellular Cbl depletion. It presents in early infancy with a failure to thrive, diarrhea, anemia, agammaglobulinemia, and pancytopenia. Data from five TC-deficient patients including clinical, biochemical, and molecular findings, as well as long-term outcomes, were collected.</p><p><strong>Case presentation: </strong>Mutation analysis revealed one unreported pathogenic variant in the <i>TCN2</i> gene. One patient had exocrine pancreatic insufficiency. We conducted a retrospective analysis of C3 and C3/C2 from dried blood samples, as this is implemented for newborn screening (NBS). We detected a marked increase in the C3/C2 ratio in two samples. Treatment was based on parenteral Cbl. Three patients treated before six months of age had an initial favorable outcome, whereas the two treated later or inadequately had neurological impairment.</p><p><strong>Conclusions: </strong>This is the first report of Argentinean patients with TC deficiency that detected a new variant in <i>TCN2.</i> NBS may be a tool for the early detection of TC deficiency. This data emphasizes that TC deficiency is a severe disorder that requires early detection and long-term, aggressive therapy. Accurate diagnosis is imperative, because early detection and treatment can be life-saving.</p>","PeriodicalId":50096,"journal":{"name":"Journal of Pediatric Endocrinology & Metabolism","volume":" ","pages":"380-386"},"PeriodicalIF":1.3,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140023132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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