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Clinical-Molecular Genetics and Cytogenetics

This section considers studies of the structure and function of genes and chromosomes, with relation to human health and disease and the role of genetic mutations and cytogenetic changes in human genetic disorders.

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  1. Content type: Case report

    Glycogen storage disease type I (GSD I), also known as von Gierk disease, is a metabolic disorder leading to the excessive accumulation of glycogen and fat in organs, characterized by hepatomegaly, hypoglycemi...

    Authors: Wenying Wang, Rentao Yu, Wenting Tan, Yunjie Dan, Guohong Deng and Jie Xia

    Citation: BMC Medical Genetics 2019 20:85

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  2. Content type: Case report

    Progressive bilateral sensorineural deafness in postlingual period may be linked to many different etiologies including genetic factors. Identification of the exact deafness cause may, therefore, be quite chal...

    Authors: Lukas Varga, Daniel Danis, Martina Skopkova, Ivica Masindova, Zuzana Slobodova, Lucia Demesova, Milan Profant and Daniela Gasperikova

    Citation: BMC Medical Genetics 2019 20:84

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  3. Content type: Research article

    Intellectual disability/developmental delay is a complex condition with extraordinary heterogeneity. A large proportion of patients lacks a specific diagnosis. Next generation sequencing, enabling identificati...

    Authors: Huifang Yan, Zhen Shi, Ye Wu, Jiangxi Xiao, Qiang Gu, Yanling Yang, Ming Li, Kai Gao, Yinyin Chen, Xiaoping Yang, Haoran Ji, Binbin Cao, Ruoyu Duan, Yuwu Jiang and Jingmin Wang

    Citation: BMC Medical Genetics 2019 20:80

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  4. Content type: Research article

    The X-ray repair cross-complementing group 3 (XRCC3) is an efficient component of homologous recombination and is required for the preservation of chromosomal integrity in mammalian cells. The association between...

    Authors: Sepideh Dashti, Zahra Taherian-Esfahani, Abbasali Keshtkar and Soudeh Ghafouri-Fard

    Citation: BMC Medical Genetics 2019 20:79

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  5. Content type: Case report

    Few manuscripts have reported phenotypes of skeletal muscle myopathies caused by mutations in the head region of slow/cardiac beta-myosin heavy chain (MyHCI). Among the patients, some of them showed the phenot...

    Authors: Jean Mamelona, Louisa Filice, Youcef Oussedik, Nicolas Crapoulet, Rodney J. Ouellette and Alier Marrero

    Citation: BMC Medical Genetics 2019 20:78

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  6. Content type: Case report

    Mitochondrial respiratory chain consists of five complexes encoded by nuclear and mitochondrial genomes. Mitochondrial aminoacyl-tRNA synthetases are key enzymes in the synthesis of such complexes. Bi-allelic ...

    Authors: Chiara Begliuomini, Giorgio Magli, Maja Di Rocco, Filippo M. Santorelli, Denise Cassandrini, Claudia Nesti, Federica Deodato, Daria Diodato, Susanna Casellato, Delia M. Simula, Veronica Dessì, Anna Eusebi, Alessandra Carta and Stefano Sotgiu

    Citation: BMC Medical Genetics 2019 20:77

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  7. Content type: Case report

    Brown-Vialetto-Van Laere Syndrome (BVVLS), a rare neurological disorder characterized by motor, sensory, and cranial neuronopathies, is mainly associated with defective riboflavin transporters encoded by SLC52...

    Authors: Kaili Shi, Zhen Shi, Huifang Yan, Xiaodong Wang, Yanling Yang, Hui Xiong, Qiang Gu, Ye Wu, Yuwu Jiang and Jingmin Wang

    Citation: BMC Medical Genetics 2019 20:76

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  8. Content type: Research article

    α-thalassaemia is an inherited blood disorder caused by mutations in the α-globin gene cluster. Recognizing the pathogenic α-globin gene mutations associated with α-Thalassemia is of significant importance to ...

    Authors: Jianlong Zhuang, Jie Tian, Jitao Wei, Yu Zheng, Qianmei Zhuang, Yuanbai Wang, Qingyue Xie, Shuhong Zeng, Geng Wang, Yanchao Pan and Yuying Jiang

    Citation: BMC Medical Genetics 2019 20:74

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  9. Content type: Research article

    Pathogenic variants associated with hereditary breast cancer have been reported for BRCA1 and BRCA2 (BRCA1/2) genes in patients from multiple ethnicities, but limited information is available from sub-Saharan Afr...

    Authors: Jean Pascal Demba Diop, Rokhaya Ndiaye Diallo, Violaine Bourdon-Huguenin, Ahmadou Dem, Doudou Diouf, Mamadou Moustapha Dieng, Seydi Abdoul Ba, Yacouba Dia, Sidy Ka, Babacar Mbengue, Alassane Thiam, Oumar Faye, Papa Amadou Diop, Hagay Sobol and Alioune Dieye

    Citation: BMC Medical Genetics 2019 20:73

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  10. Content type: Research article

    Nail-patella syndrome (NPS) is an autosomal dominant developmental disorder most commonly characterized by dyplasia of nail or patella, the radial head or the humeral head hypoplasia, and, frequently ocular ab...

    Authors: Xiaoyi Yan, Jie Lin, Yifan Wang, Junli Xuan, Ping Yu, Tingwei Guo and Fan Jin

    Citation: BMC Medical Genetics 2019 20:71

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  11. Content type: Case report

    X-linked spondyloepiphyseal dysplasia tarda (SEDT-XL) is a skeletal disorder characterized by defective structures of vertebral bodies and/or of epiphyses of the long bones, resulting in moderately short statu...

    Authors: Joon Yeon Won, Dayeon Kim, Seon Young Park, Hye Ran Lee, Jong-Seok Lim, Jong Hoon Park, Mi Hyun Song, Hae Ryong Song, Ok-Hwa Kim, Yonghwan Kim and Tae-Joon Cho

    Citation: BMC Medical Genetics 2019 20:70

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  12. Content type: Research article

    Usher syndrome, the most common form of inherited deaf-blindness, is unlike many other forms of syndromic hereditary hearing loss in that the extra aural clinical manifestations are also detrimental to communi...

    Authors: Justin A. Pater, Jane Green, Darren D. O’Rielly, Anne Griffin, Jessica Squires, Taylor Burt, Sara Fernandez, Bridget Fernandez, Jim Houston, Jiayi Zhou, Nicole M. Roslin and Terry-Lynn Young

    Citation: BMC Medical Genetics 2019 20:68

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  13. Content type: Case report

    Lynch syndrome, is an autosomal dominantly inherited disease that predisposes individuals to a high risk of colorectal cancers, and some mismatch-repair genes have been identified as causative genes. The purpo...

    Authors: Tomoyuki Momma, Kenji Gonda, Yoshinori Akama, Eisei Endo, Daisuke Ujiie, Shotaro Fujita, Yuko Maejima, Shoichiro Horita, Kenju Shimomura, Shigehira Saji, Koji Kono, Rei Yashima, Fumiaki Watanabe, Kokichi Sugano and Tadashi Nomizu

    Citation: BMC Medical Genetics 2019 20:67

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  14. Content type: Case report

    Hunter syndrome (mucopolysaccharidosis type II) is a recessive X-linked disorder due to mutations in the iduronate 2-sulfatase (IDS) gene. The IDS gene encodes a lysosomal enzyme, iduronate 2-sulfatase. The disea...

    Authors: A. N. Semyachkina, E. Y. Voskoboeva, E. Y. Zakharova, E. A. Nikolaeva, I. V. Kanivets, A. D. Kolotii, G. V. Baydakova, M. N. Kharabadze, R. G. Kuramagomedova and N. V. Melnikova

    Citation: BMC Medical Genetics 2019 20:66

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  15. Content type: Research article

    Mutations in the coding region of FOXP2 are known to cause speech and language impairment. However, it is not clear how dysregulation of the gene contributes to language deficit. Interestingly, microdeletions of ...

    Authors: Raúl Torres-Ruiz, Antonio Benítez-Burraco, Marta Martínez-Lage, Sandra Rodríguez-Perales and Paloma García-Bellido

    Citation: BMC Medical Genetics 2019 20:65

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  16. Content type: Case report

    GATA2 is a transcription factor that is a critical regulator of gene expression in hematopoietic cells. GATA2 deficiency presents with multi-lineage cytopenia, mycobacterial, fungal and viral infections. Patie...

    Authors: Daniela Palheiro Mendes-de-Almeida, Francianne Gomes Andrade, Gustavo Borges, Filipe V. dos Santos-Bueno, Iracema F. Vieira, Luana Kelly M. da S. da Rocha, Daniella A. Mendes-da-Cruz, Rosely M. Zancopé-Oliveira, Rodrigo T. Calado and Maria S. Pombo-de-Oliveira

    Citation: BMC Medical Genetics 2019 20:64

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  17. Content type: Research article

    We performed clinical and genetic characterization of a family with cavitary optic disc anomaly (CODA), an autosomal dominant condition that causes vision loss due to adult-onset maculopathy in the majority of...

    Authors: Eileen S. Hwang, Denise J. Morgan, Katie L. Pennington, Leah A. Owen, John H. Fingert, Paul S. Bernstein and Margaret M. DeAngelis

    Citation: BMC Medical Genetics 2019 20:63

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  18. Content type: Case report

    Reports on autosomal recessive optic atrophy (arOA) are sparse and so far, only one gene has been specifically associated with non-syndromic arOA, namely TMEM126A. To date, all reports of pathogenic TMEM126A vari...

    Authors: Katja Kloth, Matthis Synofzik, Christoph Kernstock, Simone Schimpf-Linzenbold, Frank Schuettauf, Axel Neu, Bernd Wissinger and Nicole Weisschuh

    Citation: BMC Medical Genetics 2019 20:62

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  19. Content type: Case report

    Restrictive cardiomyopathy is a rare cardiac disease, for which several genes including TNNT2, MYPN, FLNC and TNNI3 have been associated with its familial form.

    Authors: Malena P. Pantou, Polyxeni Gourzi, Aggeliki Gkouziouta, Iakovos Armenis, Loukas Kaklamanis, Christianna Zygouri, Pantelis Constantoulakis, Stamatis Adamopoulos and Dimitrios Degiannis

    Citation: BMC Medical Genetics 2019 20:61

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  20. Content type: Research article

    MYO15A variants are responsible for human non-syndromic autosomal recessive deafness (DFNB3). The majority of MYO15A variants are associated with a congenital severe-to-profound hearing loss phenotype, except for...

    Authors: Jing Zhang, Jing Guan, Hongyang Wang, Linwei Yin, Dayong Wang, Lidong Zhao, Huifang Zhou and Qiuju Wang

    Citation: BMC Medical Genetics 2019 20:60

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  21. Content type: Case report

    Many mutations in the α-tectorin gene (TECTA) have been reported to cause non-syndromic hearing loss (NSHL) in either a dominant or recessive inheritance pattern. Among the identified TECTA mutations, H1400Y has ...

    Authors: Gi-Sung Nam, John Hoon Rim, Jae Young Choi, Heon Yung Gee, Jong Rak Choi, Seung-Tae Lee and Jinsei Jung

    Citation: BMC Medical Genetics 2019 20:57

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  22. Content type: Case report

    PHKA2 gene mutations can cause liver phosphorylase kinase (PhK) deficiency, resulting in glycogen storage disease type IXa (GSD IXa). Elevated liver transaminase levels and liver enlargement are the most frequent...

    Authors: Junling Fu, Tong Wang and Xinhua Xiao

    Citation: BMC Medical Genetics 2019 20:56

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  23. Content type: Research article

    Progressive pseudorheumatoid dysplasia (PPRD) is a rare autosomal-recessive, non-inflammatory arthropathy, shown to be caused by mutations in the WNT1-inducible signaling pathway protein 3 (WISP3) gene. Although ...

    Authors: Ben Pode-Shakked, Asaf Vivante, Ortal Barel, Shai Padeh, Dina Marek-Yagel, Alvit Veber, Shachar Abudi, Aviva Eliyahu, Irit Tirosh, Shiri Shpilman, Shirlee Shril, Friedhelm Hildebrandt, Mordechai Shohat and Yair Anikster

    Citation: BMC Medical Genetics 2019 20:53

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  24. Content type: Case report

    DNA double-strand breaks (DSBs) are among the most deleterious types of DNA damage. DSBs are repaired by homologous recombination or non-homologous end-joining (NHEJ). NHEJ, which is central to the process of ...

    Authors: Hossein Esmaeilzadeh, Mohammad Reza Bordbar, Zahra Hojaji, Parham Habibzadeh, Dorna Afshinfar, Mohammad Miryounesi, Majid Fardaei and Mohammad Ali Faghihi

    Citation: BMC Medical Genetics 2019 20:45

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  25. Content type: Research article

    To investigate the clinical features and the underlying causal gene of a family with hereditary late-onset deafness in Inner Mongolia of China, and to provide evidence for the early genetic screening and diagn...

    Authors: Ningjin Wu, Husile Husile, Liqing Yang, Yaning Cao, Xing Li, Wenyan Huo, Haihua Bai, Yangjian Liu and Qizhu Wu

    Citation: BMC Medical Genetics 2019 20:43

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  26. Content type: Case report

    Congenital nystagmus (CN) and congenital cataracts are distinct eye diseases and are usually isolated. Cases with CN and congenital cataracts caused by different genes in one family have been rarely reported.

    Authors: Naihong Yan, Lirong Xiao, Chen Hou, Bo Guo, Wei Fan, Yingping Deng and Ke Ma

    Citation: BMC Medical Genetics 2019 20:41

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  27. Content type: Case report

    Hyperekplexia also known as Startle disease is a rare neuromotor hereditary disorder characterized by exaggerated startle responses to unexpected auditory, tactile, and visual stimuli and generalized muscle st...

    Authors: Teresa Sprovieri, Carmine Ungaro, Serena Sivo, Michela Quintiliani, Ilaria Contaldo, Chiara Veredice, Luigi Citrigno, Maria Muglia, Francesca Cavalcanti, Sebastiano Cavallaro, Eugenio Mercuri and Domenica Battaglia

    Citation: BMC Medical Genetics 2019 20:40

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  28. Content type: Research article

    This article intends to explore the association between interleukin-6 gene (IL-6) -174 G/C single nucleotide polymorphism (SNP) and the risk and mortality of sepsis by conducting this updated meta-analysis with t...

    Authors: Yao Chen, Yanyan Hu and Zhenju Song

    Citation: BMC Medical Genetics 2019 20:35

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  29. Content type: Case report

    Haemophagocytic lymphohistiocytosis is a life-threatening disease resulting from primary or secondary hyper-inflammatory disorders. The typical symptoms include persistent fever, splenomegaly, cytopenia and si...

    Authors: Lingshuang Sheng, Wei Zhang, Jia Gu, Kefeng Shen, Hui Luo and Yang Yang

    Citation: BMC Medical Genetics 2019 20:34

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  30. Content type: Research article

    Gaucher disease is a rare pan-ethnic, lysosomal storage disorder resulting due to beta-Glucosidase (GBA1) gene defect. This leads to the glucocerebrosidase enzyme deficiency and an increased accumulation of undeg...

    Authors: Jayesh Sheth, Riddhi Bhavsar, Mehul Mistri, Dhairya Pancholi, Ashish Bavdekar, Ashwin Dalal, Prajnya Ranganath, Katta M Girisha, Anju Shukla, Shubha Phadke, Ratna Puri, Inusha Panigrahi, Anupriya Kaur, Mamta Muranjan, Manisha Goyal, Radha Ramadevi…

    Citation: BMC Medical Genetics 2019 20:31

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  31. Content type: Case report

    Deafness, autosomal recessive 77 (DFNB77) is a rare non-syndromic hearing loss (NSHL) worldwide, which is caused by deleterious variants within lipoxygenase homology domains 1 (LOXHD1). Here we identified that a ...

    Authors: Na Shen, Ting Wang, Delei Li, Aiguo Liu and Yanjun Lu

    Citation: BMC Medical Genetics 2019 20:30

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  32. Content type: Case report

    Progressive familial intrahepatic cholestasis (PFIC) is a group of genetic autosomal recessive disorders that predominantly affects young children and results in early-onset progressive liver damage. Several t...

    Authors: Ting Ge, Xinyue Zhang, Yongmei Xiao, Yizhong Wang and Ting Zhang

    Citation: BMC Medical Genetics 2019 20:18

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  33. Content type: Case report

    KBG syndrome is a very rare autosomal dominant disorder, characterized by macrodontia, distinctive craniofacial findings, skeletal findings, post-natal short stature, and developmental delays, sometimes associ...

    Authors: Rita Maria Alves, Paolo Uva, Marielza F. Veiga, Manuela Oppo, Fabiana C. R. Zschaber, Giampiero Porcu, Henrique P. Porto, Ivana Persico, Stefano Onano, Gianmauro Cuccuru, Rossano Atzeni, Lauro C. N. Vieira, Marcos V. A. Pires, Francesco Cucca, Maria Betânia P. Toralles, Andrea Angius…

    Citation: BMC Medical Genetics 2019 20:16

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  34. Content type: Research article

    Autosomal recessive nail dysplasia is characterized by thick and hard nails with a very slow growth on the hands and feet. Mutations in FZD6 gene were found to be associated with autosomal recessive nail dysplasi...

    Authors: Ceren Saygı, Yasemin Alanay, Uğur Sezerman, Aslı Yenenler and Nesrin Özören

    Citation: BMC Medical Genetics 2019 20:15

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  35. Content type: Case report

    Muscular dystrophies are a clinically and genetically heterogeneous group of disorders characterized by variable degrees of progressive muscle degeneration and weakness. There is a wide variability in the age ...

    Authors: Fateme Ziyaee, Eslam Shorafa, Hassan Dastsooz, Parham Habibzadeh, Hamid Nemati, Amir Saeed, Mohammad Silawi, Mohammad Ali Farazi Fard, Mohammad Ali Faghihi and Seyed Alireza Dastgheib

    Citation: BMC Medical Genetics 2019 20:13

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  36. Content type: Case report

    Rubinstein-Taybi syndrome (RSTS) Type 1 (OMIM 180849) is characterized by three main features: intellectual disability; broad and frequently angulated thumbs and halluces; and characteristic facial dysmorphism.

    Authors: Mohammad M. Al-Qattan, Abdulaziz Jarman, Atif Rafique, Zuhair N. Al-Hassnan and Heba M. Al-Qattan

    Citation: BMC Medical Genetics 2019 20:12

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  37. Content type: Research article

    Mohr-Tranebjaerg syndrome (MTS) is a rare X-linked recessive neurodegenerative disorder resulting in early-onset hearing impairment, gradual dystonia and optic atrophy. MTS is caused by variations in the nucle...

    Authors: Hongyang Wang, Li Wang, Ju Yang, Linwei Yin, Lan Lan, Jin Li, Qiujing Zhang, Dayong Wang, Jing Guan and Qiuju Wang

    Citation: BMC Medical Genetics 2019 20:11

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  38. Content type: Case report

    Acanthosis nigricans (AN) is a clinical manifestation featured by velvety brown plaques in skin folds that occurs in some hereditary and syndromic disorders. Fibroblast growth factor receptor 3 (FGFR3) mutations ...

    Authors: Junling Fu, Yiting Zhao, Tong Wang, Qian Zhang and Xinhua Xiao

    Citation: BMC Medical Genetics 2019 20:8

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  39. Content type: Research article

    Tandem mass spectrometry (MS MS) and simple fluorometric assays are currently used in newborn screening programs to detect inborn errors of metabolism (IEM). The aim of the study was to evaluate the clinical u...

    Authors: Wenjie Wang, Jianping Yang, Jinjie Xue, Wenjuan Mu, Xiaogang Zhang, Wang Wu, Mengnan Xu, Yuyan Gong, Yiqian Liu, Yu Zhang, Xiaobing Xie, Weiyue Gu, Jigeng Bai and David S. Cram

    Citation: BMC Medical Genetics 2019 20:3

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  40. Content type: Case report

    Cornelia de Lange syndrome (CdLS), a rare, multisystemic disorder, has been linked to genetic alterations in NIPBL, SMC1A, SMC3, HDAC8, and RAD21 genes. Approximately 60% of CdLS patients harbor various NIPBL var...

    Authors: Natalia Krawczynska, Jolanta Wierzba, Jacek Jasiecki and Bartosz Wasag

    Citation: BMC Medical Genetics 2019 20:1

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  41. Content type: Research article

    Fabry disease is an X-linked recessive lysosomal disorder caused by deficient enzymatic activity of α-galactosidase A (α-Gal A). The insufficient enzymatic activity leads to excessive accumulation of glycosphi...

    Authors: Chi Zhou, Jin Huang, Guanglin Cui, Hesong Zeng, Dao Wen Wang and Qiang Zhou

    Citation: BMC Medical Genetics 2018 19:219

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  42. Content type: Case report

    Thoracic aortic aneurysm and dissection (TAAD) is a common condition associated with high mortality. It is predominantly inherited in an autosomal dominant manner with reduced penetrance and variable expressio...

    Authors: Wenwen Zhang, Qian Han, Zhao Liu, Wei Zhou, Qing Cao and Weimin Zhou

    Citation: BMC Medical Genetics 2018 19:218

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  43. Content type: Research article

    Dwarfism is a common severe growth disorder, but the etiology is unclear in the majority of cases. Recombinant human growth hormone may be a treatment option, but it has limited efficacy. The currently known l...

    Authors: Lulu Yang, Chenhui Zhang, Wei Wang, Junqi Wang, Yuan Xiao, Wenli Lu, Xiaoyu Ma, Lifen Chen, Jihong Ni, Defen Wang, Jinxiu Shi and Zhiya Dong

    Citation: BMC Medical Genetics 2018 19:212

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  44. Content type: Case report

    Tricho-rhino-phalangeal syndrome (TRPS) is a rare autosomal dominant genetic disorder characterized by distinctive craniofacial and skeletal abnormalities, while non-ossifying fibroma (NOF) is a common benign ...

    Authors: Weijuan Su, Xiulin Shi, Mingzhu Lin, Caoxin Huang, Liying Wang, Haiqu Song, Yanzhen Zhuang, Haifang Zhang, Nanzhu Li and Xuejun Li

    Citation: BMC Medical Genetics 2018 19:211

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  45. Content type: Case report

    Ornithine transcarbamylase deficiency (OTCD) is an X-linked recessive disorder involving a defect in the urea cycle caused by OTC gene mutations. Although a total of 417 disease-causing mutations in OTC have been...

    Authors: Katsuyuki Yokoi, Yoko Nakajima, Hidehito Inagaki, Makiko Tsutsumi, Tetsuya Ito and Hiroki Kurahashi

    Citation: BMC Medical Genetics 2018 19:210

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  46. Content type: Research article

    Hypohidrotic ectodermal dysplasia (HED) is a common recessive X-linked hereditary disease that affects the development of ectoderm. Gene mutations of ectodysplasin A (EDA) play key roles in process of this dis...

    Authors: Fangqi He, Hongfeng Wang, Xiaoyu Zhang, Qingping Gao, Feng Guo and Chang Chen

    Citation: BMC Medical Genetics 2018 19:209

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  47. Content type: Case report

    Thoracic aortic aneurysm (TAA) and/or thoracic aortic aneurysm and dissection (TAAD) is characterized by a considerable risk of morbidity and mortality of affected individuals. It is inherited in an autosomal ...

    Authors: Anna Keravnou, Evy Bashiardes, Kyriaki Michailidou, Marinos Soteriou, Areti Moushi and Marios Cariolou

    Citation: BMC Medical Genetics 2018 19:208

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  48. Content type: Research article

    Von Hippel-Lindau (VHL) disease is an autosomal dominant inherited cancer syndrome, and VHL is identified as a tumor suppressor gene. The main objective of this study was to identify disease-causing mutations in ...

    Authors: Xing Wu, Lanlan Chen, Yixin Zhang, Hainan Xie, Meirong Xue, Yi Wang and Houbin Huang

    Citation: BMC Medical Genetics 2018 19:204

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