Molecular genetics and metabolism最新文献

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Empagliflozin for treating neutropenia and neutrophil dysfunction in 21 infants with glycogen storage disease 1b 恩格列净治疗21例糖原贮积病1b婴儿的中性粒细胞减少症和中性粒细胞功能障碍
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-27 DOI: 10.1016/j.ymgme.2024.108486
Sarah C. Grünert , Matthias Gautschi , Joshua Baker , Monica Boyer , Alberto Burlina , Thomas Casswall , Willemijn Corpeleijn , Kismet Çıki , Melanie Cotter , Ellen Crushell , Terry G.J. Derks , Dorothea Haas , Sebile Kilavuz , Sandra D.K. Kingma , Stanley H. Korman , Anne Kozek , Corinne de Laet , Helen Mundy , Marie Cecile Nassogne , Victor Quintero , Saskia B. Wortmann
{"title":"Empagliflozin for treating neutropenia and neutrophil dysfunction in 21 infants with glycogen storage disease 1b","authors":"Sarah C. Grünert ,&nbsp;Matthias Gautschi ,&nbsp;Joshua Baker ,&nbsp;Monica Boyer ,&nbsp;Alberto Burlina ,&nbsp;Thomas Casswall ,&nbsp;Willemijn Corpeleijn ,&nbsp;Kismet Çıki ,&nbsp;Melanie Cotter ,&nbsp;Ellen Crushell ,&nbsp;Terry G.J. Derks ,&nbsp;Dorothea Haas ,&nbsp;Sebile Kilavuz ,&nbsp;Sandra D.K. Kingma ,&nbsp;Stanley H. Korman ,&nbsp;Anne Kozek ,&nbsp;Corinne de Laet ,&nbsp;Helen Mundy ,&nbsp;Marie Cecile Nassogne ,&nbsp;Victor Quintero ,&nbsp;Saskia B. Wortmann","doi":"10.1016/j.ymgme.2024.108486","DOIUrl":"https://doi.org/10.1016/j.ymgme.2024.108486","url":null,"abstract":"<div><p>Empagliflozin has been successfully repurposed for treating neutropenia and neutrophil dysfunction in patients with glycogen storage disease type 1b (GSD 1b), however, data in infants are missing. We report on efficacy and safety of empagliflozin in infants with GSD 1b.</p><p>This is an international retrospective case series on 21 GSD 1b infants treated with empagliflozin (total treatment time 20.6 years). Before starting empagliflozin (at a median age of 8.1 months with a median dose of 0.3 mg/kg/day) 12 patients had clinical signs and symptoms of neutrophil dysfunction. Six of these previously symptomatic patients had no further neutropenia/neutrophil dysfunction-associated findings on empagliflozin. Eight patients had no signs and symptoms of neutropenia/neutrophil dysfunction before start and during empagliflozin treatment. One previously asymptomatic individual with a horseshoe kidney developed a central line infection with pyelonephritis and urosepsis during empagliflozin treatment. Of the 10 patients who were treated with G-CSF before starting empagliflozin, this was stopped in four and decreased in another four. Eleven individuals were never treated with G-CSF.</p><p>While in 17 patients glucose homeostasis remained stable on empagliflozin, four showed glucose homeostasis instability in the introductory phase. In 17 patients, no other side effects were reported, while genital (<em>n</em> = 2) or oral (<em>n</em> = 1) candidiasis and skin infection (n = 1) were reported in the remaining four.</p><p>Empagliflozin had a good effect on neutropenia/neutrophil dysfunction–related signs and symptoms and a favourable safety profile in infants with GSD 1b and therefore qualifies for further exploration as first line treatment.</p></div>","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140900920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ALG13-Congenital Disorder of Glycosylation (ALG13-CDG): Updated clinical and molecular review and clinical management guidelines ALG13-先天性糖基化紊乱(ALG13-CDG):最新临床和分子学回顾及临床管理指南
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-23 DOI: 10.1016/j.ymgme.2024.108472
Rameen Shah , Erik A. Eklund , Silvia Radenkovic , Mustafa Sadek , Ibrahim Shammas , Sanne Verberkmoes , Bobby G. Ng , Hudson H. Freeze , Andrew C. Edmondson , Miao He , Tamas Kozicz , Ruqaiah Altassan , Eva Morava
{"title":"ALG13-Congenital Disorder of Glycosylation (ALG13-CDG): Updated clinical and molecular review and clinical management guidelines","authors":"Rameen Shah ,&nbsp;Erik A. Eklund ,&nbsp;Silvia Radenkovic ,&nbsp;Mustafa Sadek ,&nbsp;Ibrahim Shammas ,&nbsp;Sanne Verberkmoes ,&nbsp;Bobby G. Ng ,&nbsp;Hudson H. Freeze ,&nbsp;Andrew C. Edmondson ,&nbsp;Miao He ,&nbsp;Tamas Kozicz ,&nbsp;Ruqaiah Altassan ,&nbsp;Eva Morava","doi":"10.1016/j.ymgme.2024.108472","DOIUrl":"10.1016/j.ymgme.2024.108472","url":null,"abstract":"<div><p>ALG13-Congenital Disorder of Glycosylation (CDG), is a rare X-linked CDG caused by pathogenic variants in ALG13 (OMIM <span>300776</span><svg><path></path></svg>) that affects the N-linked glycosylation pathway. Affected individuals present with a predominantly neurological manifestation during infancy. Epileptic spasms are a common presenting symptom of ALG13-CDG. Other common phenotypes include developmental delay, seizures, intellectual disability, microcephaly, and hypotonia. Current management of ALG13-CDG is targeted to address patients’ symptoms. To date, less than 100 individuals have been reported with ALG13-CDG.</p><p>In this article, an international group of experts in CDG reviewed all reported individuals affected with ALG13-CDG and suggested diagnostic and management guidelines for ALG13-CDG. The guidelines are based on the best available data and expert opinion. Neurological symptoms dominate the phenotype of ALG13-CDG where epileptic spasm is confirmed to be the most common presenting symptom of ALG13-CDG in association with hypotonia and developmental delay. We propose that ACTH/prednisolone treatment should be trialed first, followed by vigabatrin, however ketogenic diet has been shown to have promising results in ALG13-CDG. In order to optimize medical management, we also suggest early cardiac, gastrointestinal, skeletal, and behavioral assessments in affected patients.</p></div>","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140763358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SSR4-CDG, an ultra-rare X-linked congenital disorder of glycosylation affecting the TRAP complex: Review of 22 affected individuals including the first adult patient SSR4-CDG,一种影响TRAP复合体的超罕见X连锁先天性糖基化紊乱:对包括首例成人患者在内的20名受影响个体的回顾
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-18 DOI: 10.1016/j.ymgme.2024.108477
Christin Johnsen , Nazi Tabatadze , Silvia Radenkovic , Grace Botzo , Bryce Kuschel , Gia Melikishvili , Eva Morava
{"title":"SSR4-CDG, an ultra-rare X-linked congenital disorder of glycosylation affecting the TRAP complex: Review of 22 affected individuals including the first adult patient","authors":"Christin Johnsen ,&nbsp;Nazi Tabatadze ,&nbsp;Silvia Radenkovic ,&nbsp;Grace Botzo ,&nbsp;Bryce Kuschel ,&nbsp;Gia Melikishvili ,&nbsp;Eva Morava","doi":"10.1016/j.ymgme.2024.108477","DOIUrl":"10.1016/j.ymgme.2024.108477","url":null,"abstract":"<div><p>Congenital disorders of glycosylation (CDG) are a group of rare, often multi-systemic genetic disorders that result from disturbed protein and lipid glycosylation. SSR4-CDG is an ultra-rare, comparably mild subtype of CDG, presenting mostly in males. It is caused by pathogenic variants in the <em>SSR4</em> gene, which is located on the X chromosome. SSR4 (signal sequence receptor protein 4) is a subunit of the translocon-associated protein (TRAP) complex, a structure that is needed for the translocation of proteins across the ER membrane. A deficiency of SSR4 leads to disturbed N-linked glycosylation of proteins in the endoplasmic reticulum. Here, we review the most common clinical, biochemical and genetic features of 18 previously published individuals and report four new cases diagnosed with SSR4-CDG, including the first adult affected by this disorder. Based on our review, developmental delay, speech delay, intellectual disability, muscular hypotonia, microcephaly and distinct facial features are key symptoms of SSR4-CDG that are present in all affected individuals. Although these symptoms overlap with many other neurodevelopmental disorders, their combination with additional clinical features, and a quite distinguishable facial appearance of affected individuals make this disorder a potentially recognizable type of CDG. Additional signs and symptoms include failure to thrive, feeding difficulties, connective tissue involvement, gastrointestinal problems, skeletal abnormalities, seizures and, in some cases, significant behavioral abnormalities. Due to lack of awareness of this rare disorder, and since biochemical testing can be normal in affected individuals, most are diagnosed through genetic studies, such as whole exome sequencing. With this article, we expand the phenotype of SSR4-CDG to include cardiac symptoms, laryngeal abnormalities, and teleangiectasia. We also provide insights into the prognosis into early adulthood and offer recommendations for adequate management and care. We emphasize the great need for causal therapies, as well as effective symptomatic therapies addressing the multitude of symptoms in this disease. In particular, behavioral problems can severely affect quality of life in individuals diagnosed with SSR4-CDG and need special attention. Finally, we aim to improve guidance and education for affected families and treating physicians and create a basis for future research in this disorder.</p></div>","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1096719224003615/pdfft?md5=cbac4fcf9dc6c5bd3013437dc057cfa3&pid=1-s2.0-S1096719224003615-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140793036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical and biochemical footprints of congenital disorders of glycosylation: Proposed nosology 先天性糖基化紊乱的临床和生化足迹:拟议的命名法
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-10 DOI: 10.1016/j.ymgme.2024.108476
Bobby G. Ng , Hudson H. Freeze , Nastassja Himmelreich , Nenad Blau , Carlos R. Ferreira
{"title":"Clinical and biochemical footprints of congenital disorders of glycosylation: Proposed nosology","authors":"Bobby G. Ng ,&nbsp;Hudson H. Freeze ,&nbsp;Nastassja Himmelreich ,&nbsp;Nenad Blau ,&nbsp;Carlos R. Ferreira","doi":"10.1016/j.ymgme.2024.108476","DOIUrl":"https://doi.org/10.1016/j.ymgme.2024.108476","url":null,"abstract":"<div><p>We have identified 200 congenital disorders of glycosylation (CDG) caused by 189 different gene defects and have proposed a classification system for CDG based on the mode of action. This classification includes 8 categories: 1. Disorders of monosaccharide synthesis and interconversion, 2. Disorders of nucleotide sugar synthesis and transport, 3. Disorders of N-linked protein glycosylation, 4. Disorders of O-linked protein glycosylation, 5. Disorders of lipid glycosylation, 6. Disorders of vesicular trafficking, 7. Disorders of multiple glycosylation pathways and 8. Disorders of glycoprotein/glycan degradation. Additionally, using information from IEMbase, we have described the clinical involvement of 19 organs and systems, as well as essential laboratory investigations for each type of CDG. Neurological, dysmorphic, skeletal, and ocular manifestations were the most prevalent, occurring in 81%, 56%, 53%, and 46% of CDG, respectively. This was followed by digestive, cardiovascular, dermatological, endocrine, and hematological symptoms (17–34%). Immunological, genitourinary, respiratory, psychiatric, and renal symptoms were less frequently reported (8–12%), with hair and dental abnormalities present in only 4–7% of CDG. The information provided in this study, including our proposed classification system for CDG, may be beneficial for healthcare providers caring for individuals with metabolic conditions associated with CDG.</p></div>","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1096719224003603/pdfft?md5=df97e0cc675c7986b7c0a9d961271f3d&pid=1-s2.0-S1096719224003603-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140632537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Abstracts for Short Oral Presentations 简短口头报告摘要
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-01 DOI: 10.1016/j.ymgme.2024.108164
{"title":"Abstracts for Short Oral Presentations","authors":"","doi":"10.1016/j.ymgme.2024.108164","DOIUrl":"https://doi.org/10.1016/j.ymgme.2024.108164","url":null,"abstract":"","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140346962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bone health in isovaleric acidemia 异戊酸血症患者的骨骼健康
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-01 DOI: 10.1016/j.ymgme.2024.108210
Deepika Burkardt , Erin MacLeod , Natasha Shur , Laura Tosi , Debra Regier
{"title":"Bone health in isovaleric acidemia","authors":"Deepika Burkardt ,&nbsp;Erin MacLeod ,&nbsp;Natasha Shur ,&nbsp;Laura Tosi ,&nbsp;Debra Regier","doi":"10.1016/j.ymgme.2024.108210","DOIUrl":"https://doi.org/10.1016/j.ymgme.2024.108210","url":null,"abstract":"","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140347618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hploinsufficiency of lysosomal enzymes and Alzheimer's disease 溶酶体酶的基因缺失与阿尔茨海默病
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-01 DOI: 10.1016/j.ymgme.2024.108175
Mark Sands , Bruno Benitez , Clare Wallace , Neal Goodwin , Marie Roberts , John Cirrito
{"title":"Hploinsufficiency of lysosomal enzymes and Alzheimer's disease","authors":"Mark Sands ,&nbsp;Bruno Benitez ,&nbsp;Clare Wallace ,&nbsp;Neal Goodwin ,&nbsp;Marie Roberts ,&nbsp;John Cirrito","doi":"10.1016/j.ymgme.2024.108175","DOIUrl":"https://doi.org/10.1016/j.ymgme.2024.108175","url":null,"abstract":"","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140347776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
P.19 Use of plant-based peptide formula in patients with organic acidemias P.19 在有机酸血症患者中使用植物肽配方
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-01 DOI: 10.1016/j.ymgme.2024.108385
A Kozek , B Kurkjain , K Arduini , J Baker
{"title":"P.19 Use of plant-based peptide formula in patients with organic acidemias","authors":"A Kozek ,&nbsp;B Kurkjain ,&nbsp;K Arduini ,&nbsp;J Baker","doi":"10.1016/j.ymgme.2024.108385","DOIUrl":"https://doi.org/10.1016/j.ymgme.2024.108385","url":null,"abstract":"","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140552310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
P.20 Utilizing the BioPKU database to personalize nutrition and treatment interventions for patients with PKU P.20 利用 BioPKU 数据库为 PKU 患者提供个性化的营养和治疗干预措施
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-01 DOI: 10.1016/j.ymgme.2024.108386
AN Malik , RH Singh
{"title":"P.20 Utilizing the BioPKU database to personalize nutrition and treatment interventions for patients with PKU","authors":"AN Malik ,&nbsp;RH Singh","doi":"10.1016/j.ymgme.2024.108386","DOIUrl":"https://doi.org/10.1016/j.ymgme.2024.108386","url":null,"abstract":"","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140552311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dietary management in MPV17-related depletion syndrome pre- and post- liver transplant: A case study 肝移植前后 MPV17 相关耗竭综合征的饮食管理:病例研究
IF 3.8 2区 生物学
Molecular genetics and metabolism Pub Date : 2024-04-01 DOI: 10.1016/j.ymgme.2024.108207
Kiera Batten , Senior Metabolic Dietitian , Arthavan Selvanathan , Michael Stormon , Gordon Thomas , John Preddy , Kaustuv Bhattacharya
{"title":"Dietary management in MPV17-related depletion syndrome pre- and post- liver transplant: A case study","authors":"Kiera Batten ,&nbsp;Senior Metabolic Dietitian ,&nbsp;Arthavan Selvanathan ,&nbsp;Michael Stormon ,&nbsp;Gordon Thomas ,&nbsp;John Preddy ,&nbsp;Kaustuv Bhattacharya","doi":"10.1016/j.ymgme.2024.108207","DOIUrl":"https://doi.org/10.1016/j.ymgme.2024.108207","url":null,"abstract":"","PeriodicalId":18937,"journal":{"name":"Molecular genetics and metabolism","volume":null,"pages":null},"PeriodicalIF":3.8,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140346682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","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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