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Thomas HA, Singh N, Thomas AM, Masih S, Cherian JM, Varghese KG. Effect of protective coating agents on microleakage and flexural strength of glass ionomer cement and zirconomer. an in vitro study. Eur Arch Paediatr Dent 2024; 25:57-63. [PMID: 37991624 DOI: 10.1007/s40368-023-00853-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/25/2023] [Indexed: 11/23/2023]
Abstract
PURPOSE The objective of this study was to assess the microleakage and flexural strength of glass ionomer cement (GIC) and modified GIC (Zirconomer) when coated with protective coating agents such as COAT-IT and G-COAT plus. METHODS Sixty tooth specimens were grouped into two groups based on the type of restorations (GIC (n = 30) and Zirconomer (n = 30)). The samples were further divided into three subgroups (n = 10) based on the protective coating agent (Petroleum jelly, G-COAT Plus, or COAT IT) applied. This study evaluated the microleakage at the occlusal and cervical margins of class V restoration after being subjected to dye penetration and sectioning. Each specimen was viewed under a 40 × microscope and was given scores based on the depth of dye penetration. They were statistically analyzed using the Kruskal-Wallis test and compared within the groups using the Mann- Whitney Test. In addition, flexural strength was assessed using standardized cuboid (25 × 2 × 2 mm) specimens of restorative materials with and without protective coating agents. The mean flexural strength data of all the subgroups were statistically evaluated using a one-way analysis of variance (ANOVA) and compared within the subgroups using the student t test. RESULTS A statistically significant difference was found when occlusal margin microleakage scores were evaluated with G-COAT Plus demonstrating the lowest occlusal margin microleakage when applied over GIC restoration. The increasing order of occlusal margin microleakage scores is as follows: GIC with G-COAT Plus, Zirconomer with COAT-IT, GIC with COAT-IT, GIC, Zirconomer with G-COAT Plus, and Zirconomer. However, the cervical margin microleakage scores revealed no significant difference. While flexural strength was found to be highest for the GIC group coated with G-COAT Plus, it was observed that there was a significant improvement in the flexural strength of both GIC and Zirconomer when coated with either of the protective coating agents. CONCLUSION Within the limitations of this in vitro study, it was observed that the application of protective coating agents can significantly reduce the potential microleakage and improve the flexural strength of the restorative material especially when zirconia-reinforced GIC is the restorative material.
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Affiliation(s)
- H A Thomas
- Department of Pedodontics and Preventive Dentistry, Christian Dental College, Ludhiana, Punjab, India.
| | - N Singh
- Department of Pedodontics and Preventive Dentistry, Christian Dental College, Ludhiana, Punjab, India
| | - A M Thomas
- Department of Pedodontics and Preventive Dentistry, Christian Dental College, Ludhiana, Punjab, India
| | - S Masih
- Department of Pedodontics and Preventive Dentistry, Christian Dental College, Ludhiana, Punjab, India
| | - J M Cherian
- Department of Pedodontics and Preventive Dentistry, Christian Dental College, Ludhiana, Punjab, India
| | - K G Varghese
- Department of Prosthodontics and Crown and Bridge, Christian Dental College, Ludhiana, Punjab, India
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Piana A, Basile G, Masih S, Bignante G, Uleri A, Gallioli A, Prudhomme T, Boissier R, Pecoraro A, Campi R, Di Dio M, Alba S, Breda A, Territo A. Kidney stones in renal transplant recipients: A systematic review. Actas Urol Esp 2024; 48:79-104. [PMID: 37574010 DOI: 10.1016/j.acuroe.2023.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 07/10/2023] [Indexed: 08/15/2023]
Abstract
INTRODUCTION Lithiasis in renal graft recipients might be a dangerous condition with a potential risk of organ function impairment. EVIDENCE ACQUISITION A systematic literature search was conducted through February 2023. The primary objective was to assess the incidence of lithiasis in kidney transplant (KT) recipients. The secondary objective was to assess the timing of stone formation, localization and composition of stones, possible treatment options, and the incidence of graft loss. EVIDENCE SYNTHESIS A total of 41 non-randomized studies comprising 699 patients met our inclusion criteria. The age at lithiasis diagnosis ranged between 29-53 years. Incidence of urolithiasis ranged from 0.1-6.3%, usually diagnosed after 12 months from KT. Most of the stones were diagnosed in the calyces or in the pelvis. Calcium oxalate composition was the most frequent. Different treatment strategies were considered, namely active surveillance, ureteroscopy, percutaneous/combined approach, or open surgery. 15.73% of patients were submitted to extracorporeal shock wave lithotripsy (ESWL), while 26.75% underwent endoscopic lithotripsy or stone extraction. 18.03% of patients underwent percutaneous nephrolithotomy whilst 3.14% to a combined approach. Surgical lithotomy was performed in 5.01% of the cases. Global stone-free rate was around 80%. CONCLUSIONS Lithiasis in kidney transplant is a rare condition usually diagnosed after one year after surgery and mostly located in the calyces and renal pelvis, more frequently of calcium oxalate composition. Each of the active treatments is associated with good results in terms of stone-free rate, thus the surgical technique should be chosen according to the patient's characteristics and surgeon preferences.
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Affiliation(s)
- A Piana
- Servicio de Urología, Hospital Romolo, Rocca di Neto, Italy; Departamento de Urología, Universidad de Turín, Turín, Italy.
| | - G Basile
- Unidad de Uro-oncología y Trasplante Renal, Servicio de Urología, Fundación Puigvert, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
| | - S Masih
- Servicio de Urología, Centro Médico de la Universidad de Toledo, Toledo, OH, United States
| | - G Bignante
- Departamento de Urología, Universidad de Turín, Turín, Italy
| | - A Uleri
- Unidad de Uro-oncología y Trasplante Renal, Servicio de Urología, Fundación Puigvert, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
| | - A Gallioli
- Unidad de Uro-oncología y Trasplante Renal, Servicio de Urología, Fundación Puigvert, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
| | - T Prudhomme
- Servicio de Urología, Trasplante Renal y Andrología, Hospital Universitario de Rangueil, Toulouse, France
| | - R Boissier
- Servicio de Urología y Trasplante Renal, Hospital Universitario La Concepción, Marsella, France
| | - A Pecoraro
- Departmento de Medicina Experimental y Clínica, Universidad de Florencia, Florencia, Italy
| | - R Campi
- Departmento de Medicina Experimental y Clínica, Universidad de Florencia, Florencia, Italy
| | - M Di Dio
- Sección de Urología, Servicio de Cirugía, Hospital Annunziata, Cosenza, Italy
| | - S Alba
- Servicio de Urología, Hospital Romolo, Rocca di Neto, Italy
| | - A Breda
- Unidad de Uro-oncología y Trasplante Renal, Servicio de Urología, Fundación Puigvert, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
| | - A Territo
- Unidad de Uro-oncología y Trasplante Renal, Servicio de Urología, Fundación Puigvert, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
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Nagral A, Mallakmir S, Garg N, Tiwari K, Masih S, Nagral N, Unavane O, Jhaveri A, Phadke S, ArunKumar G, Aggarwal R. Genomic Variations in ATP7B Gene in Indian Patients with Wilson Disease. Indian J Pediatr 2023; 90:240-248. [PMID: 36112267 DOI: 10.1007/s12098-022-04250-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 03/13/2022] [Accepted: 04/05/2022] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To report genotype data of the patients with Wilson disease (WD) hailing from across several parts of India to add to the available spectrum of causative variants in ATP7B gene (ATPase copper transporting beta polypeptide gene) and associated phenotypes in the Indian population. METHODS The entire ATP7B gene was sequenced in 58 patients with WD and additional testing was also done by MLPA to look for intragenic deletions duplications and exome sequencing to rule out genetic variations with similar phenotypic overlap. RESULTS Of all patients, 37 patients had a total of 33 distinct pathogenic variations, including 29 in the exonic regions and 4 at intronic splice sites. Of the variations identified, six were novel. The underlying genomic variations could be identified in nearly two-thirds of the patients by sequencing the entire gene. CONCLUSIONS This study reports the genotype-phenotype data to add to the available spectrum of causative variants in ATP7B gene. The inability to detect a pathogenic variation in some patients and the existence of phenotypic variations in individuals with the same variation suggest that additional factors or genes may play a role in causation of the disease. Further, a marked genetic heterogeneity was found in the study patients, indicating ethnic diversity of the Indian population.
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Affiliation(s)
- Aabha Nagral
- Department of Gastroenterology, Apollo Hospitals, Navi Mumbai, Maharashtra, India. .,Department of Gastroenterology, Jaslok Hospital and Research Center, Mumbai, Maharashtra, India. .,, 7, Snehsagar, Prabhanagar, Prabhadevi, Mumbai, Maharashtra, 400025, India.
| | - Snehal Mallakmir
- Department of Pediatrics, Apollo Hospitals, Navi Mumbai, Maharashtra, India
| | - Nikita Garg
- Department of Gastroenterology, Jaslok Hospital and Research Center, Mumbai, Maharashtra, India
| | - Kritika Tiwari
- Department of Pediatrics, Matushree Gomati Hospital, Mumbai, Maharashtra, India
| | - Suzena Masih
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Nishtha Nagral
- Department of General Medicine, Fortis Hospital, Mulund, Mumbai, Maharashtra, India
| | - Ojas Unavane
- Department of General Medicine, Seth G.S. Medical College and KEM Hospital, Mumbai, Maharashtra, India
| | - Ajay Jhaveri
- Department of Gastroenterology, Jaslok Hospital and Research Center, Mumbai, Maharashtra, India
| | - Shubha Phadke
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | | | - Rakesh Aggarwal
- Department of Gastroenterology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.,Department of Gastroenterology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
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Masih S, Moirangthem A, Shambhavi A, Rai A, Mandal K, Saxena D, Nilay M, Agrawal N, Srivastava S, Sait H, Phadke SR. Deciphering the molecular landscape of microcephaly in 87 Indian families by exome sequencing. Eur J Med Genet 2022; 65:104520. [PMID: 35568357 DOI: 10.1016/j.ejmg.2022.104520] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 04/21/2022] [Accepted: 05/08/2022] [Indexed: 11/25/2022]
Abstract
Microcephaly is a frequent feature of neurodevelopmental disorders (NDDs). Our study presents the heterogeneous spectrum of genetic disorders in patients with microcephaly either in isolated form or in association with other neurological and extra-neural abnormalities. We present data of 91 patients from 87 unrelated families referred to our clinic during 2016-2020 and provide a comprehensive clinical and genetic landscape in the studied cohort. Molecular diagnosis using exome sequencing was made in 45 families giving a yield of 51.7%. In 9 additional families probable causative variants were detected. We identified disease causing variations in 49 genes that are involved in different functional pathways Among these, 36 had an autosomal recessive pattern, 8 had an autosomal dominant pattern (all inherited de novo), and 5 had an X-linked pattern. In 41 probands where sequence variations in autosomal recessive genes were identified 31 were homozygotes (including 16 from non-consanguineous families). The study added 28 novel pathogenic/likely pathogenic variations. The study also calls attention to phenotypic variability and expansion in spectrum as well as uncovers genes where microcephaly is not reported previously or is a rare finding. We here report phenotypes associated with the genes for ultra-rare NDDs with microcephaly namely ATRIP, MINPP1, PNPLA8, AIMP2, ANKLE2, NCAPD2 and TRIT1.
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Affiliation(s)
- Suzena Masih
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Amita Moirangthem
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Arya Shambhavi
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Archana Rai
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Kausik Mandal
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Deepti Saxena
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Mayank Nilay
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Neha Agrawal
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Somya Srivastava
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Haseena Sait
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Shubha R Phadke
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India.
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Mishra R, Kulshreshtha S, Mandal K, Khurana A, Diego‐Álvarez D, Pradas L, Saxena R, Phadke S, Moirangthem A, Masih S, Sud S, Verma IC, Dua Puri R.
COASY
related pontocerebellar hypoplasia type 12: A common Indian mutation with expansion of the phenotypic spectrum. Am J Med Genet A 2022; 188:2339-2350. [DOI: 10.1002/ajmg.a.62768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 03/19/2022] [Accepted: 03/26/2022] [Indexed: 11/12/2022]
Affiliation(s)
- Ranjana Mishra
- Institute of Medical Genetics and Genomics, Sir Gangaram Hospital New Delhi India
| | - Samarth Kulshreshtha
- Institute of Medical Genetics and Genomics, Sir Gangaram Hospital New Delhi India
| | - Kausik Mandal
- Sanjay Gandhi Post‐Graduate Institute Lucknow Uttar Pradesh India
| | | | | | | | - Renu Saxena
- Institute of Medical Genetics and Genomics, Sir Gangaram Hospital New Delhi India
| | - Shubha Phadke
- Sanjay Gandhi Post‐Graduate Institute Lucknow Uttar Pradesh India
| | | | - Suzena Masih
- Sanjay Gandhi Post‐Graduate Institute Lucknow Uttar Pradesh India
| | - Seema Sud
- Department of CT Scan and MRI Sir Gangaram Hospital New Delhi India
| | - Ishwar Chander Verma
- Institute of Medical Genetics and Genomics, Sir Gangaram Hospital New Delhi India
| | - Ratna Dua Puri
- Institute of Medical Genetics and Genomics, Sir Gangaram Hospital New Delhi India
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Moirangthem A, Saxena D, Masih S, Shambhavi A, Nilay M, Phadke SR. Variable neurological phenotypes of homocystinuria caused by biallelic methylenetetrahydrofolate reductase variants. Clin Dysmorphol 2022; 31:59-65. [PMID: 34845156 DOI: 10.1097/mcd.0000000000000407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Inherited methylenetetrahydrofolate reductase (MTHFR) deficiency is associated with a wide spectrum of disorders including homocystinuria. This study aims to describe the neurological phenotypes and molecular profiles of patients with homocystinuria caused by biallelic variants in MTHFR. We report six subjects with MTHFR deficiency who presented with variable neurological phenotypes which could be viewed as a continuous spectrum. Fatal infantile encephalopathy was observed in one family, whereas another patient presented at 27 years with acute leukoencephalopathy and recovered within 3 months. Intermediate forms presenting as complicated hereditary spastic paraparesis of variable severity were observed in four subjects. Clinical and molecular information of the 207 cases reported in literature were also retrieved and analyzed. We categorized all subjects into three categories - severe, intermediate and mild forms according to the clinical presentation. In addition, a total of 286 disease-causing variations reported to date were analyzed. These included seven disease-causing variants reported in this study of which one is novel. Some genotype-phenotype correlation could be seen which corroborated with previous observations. However, inter- and intrafamilial variability was also noted. Treatment with betaine, B12 and folic acid was started in four subjects with variable outcomes.
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Affiliation(s)
- Amita Moirangthem
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
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Agrawal N, Kumar R, Masih S, Srivastava P, Singh P, Jaiswal SK, Moirangthem A, Saxena D, Phadke SR, Mandal K. Molecular analysis of severe hemophilia B in Indian families: Identification of mutational hotspot and novel variants. Int J Lab Hematol 2021; 44:186-192. [PMID: 34590426 DOI: 10.1111/ijlh.13715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 09/04/2021] [Accepted: 09/07/2021] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Hemophilia B is associated with molecular heterogeneity, with more than 1200 unique variants in the F9 gene. We hereby describe the mutational spectrum of severe hemophilia B patients presenting in a tertiary-care center in India. METHOD DNA was extracted from peripheral blood samples of 35 diagnosed severe hemophilia B patients belonging to 32 families, and were subjected to Sanger sequencing. Determination of the effect of novel variants on the protein structure and correlation between genotype and phenotype was attempted using in-silico tools. RESULTS Twenty-seven different mutations were detected in 30 probands, including 20 known and 7 novel variants. Also, we found one suspected case of whole gene deletion. The serine peptidase domain harbored most of the variants (48.1%). Inhibitory antibodies were found in two patients. CONCLUSIONS This study provides a comprehensive mutational spectrum and mutation screening strategy by Sanger sequencing of F9 gene in severe hemophilia B patients, in a resource-constraint setting.
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Affiliation(s)
- Neha Agrawal
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Ravi Kumar
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Suzena Masih
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Priyanka Srivastava
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Parshw Singh
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Sushil Kumar Jaiswal
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Amita Moirangthem
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Deepti Saxena
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Shubha R Phadke
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Kausik Mandal
- Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
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Masih S, Moirangthem A, Phadke SR. Homozygous Missense Variation in PNPLA8 Causes Prenatal-Onset Severe Neurodegeneration. Mol Syndromol 2021; 12:174-178. [PMID: 34177434 DOI: 10.1159/000513524] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 12/02/2020] [Indexed: 12/13/2022] Open
Abstract
The patatin-like protein family plays an important role in various biological functions including lipid homeostasis, cellular growth, and signaling. Conserved across species, the patatin domain is shared by all 9 members of the PNPLA family without redundancy in the coding sequences. The defective function of PNPLA2, PNPLA6, and PNPLA9 are known to cause mitochondrial-related neurodegeneration. Recently, PNPLA8 has been associated with mitochondrial myopathy and poor weight gain with lactic acidosis in 3 unrelated families. Using whole-exome sequencing, we identified a homozygous novel missense variation c.1874A>G in the patatin domain of PNPLA8. The patient had prenatal-onset severe and progressive neurodegeneration with mortality in infancy.
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Affiliation(s)
- Suzena Masih
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Amita Moirangthem
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Shubha R Phadke
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
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Masih S, Moirangthem A, Phadke SR. Twins with PEX7 related intellectual disability and cataract: Highlighting phenotypes of peroxisome biogenesis disorder 9B. Am J Med Genet A 2021; 185:1504-1508. [PMID: 33586206 DOI: 10.1002/ajmg.a.62110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 11/26/2020] [Accepted: 01/15/2021] [Indexed: 01/13/2023]
Abstract
Peroxisome biogenesis disorders (PBDs) are a group of autosomal recessive disorders caused due to impaired peroxisome assembly affecting the formation of functional peroxisomes. PBDs are caused by a mutation in PEX gene family resulting in disease manifestation with extreme variability ranging from the onset of profound neurologic symptoms in newborns to progressive degenerative disease in adults. Disease causing variations in PEX7 is known to cause severe rhizomelic chondrodysplasia punctata type 1 and PBD 9B, an allelic disorder resulting in a milder phenotype, often indistinguishable from that of classic Refsum disease. This case report highlights the variability of PEX7 related phenotypes and suggests that other than RCDP1 and late onset phenotype similar to Refsum disease, some cases present with cataract and neurodevelopmetal abnormalities during childhood without chondrodysplasia or rhizomelia. This report also underlines the importance of considering PBD 9B in children presenting with neurodevelopmental abnormalities especially if they have congenital cataract.
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Affiliation(s)
- Suzena Masih
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Amita Moirangthem
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Shubha R Phadke
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
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Phadke SR, Srivastava P, Sharma P, Rai A, Masih S. Homozygosity stretches around homozygous mutations in autosomal recessive disorders: patients from nonconsanguineous Indian families. J Genet 2021; 100:2. [PMID: 33707353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
India has a large heterogeneous population with its unique social and genetic characteristics. Tradition of marriage between specific caste groups have produced unique characteristics to the mutation spectrum of genetic disorders and may be a higher prevalence of autosomal recessive (AR) disorders in some communities. We observed that in many nonconsanguineous families with rare autosomal disorders, maternally and paternally inherited mutations are same, indicating common ancestor. In this era of genomic techniques, finding homozygous regions have become easy. It was seen that the patients with AR disorders, who were homozygous for the disease causing pathogenic / likely pathogenic variations, have large stretches (0.6-188 Mb) of homozygosity around the causative sequence variations. SNP microarray data of patients from consanguineous and nonconsanguineous families also showed that even patients from nonconsanguineous families had 3-49 Mb size regions of homozygosity. Long stretches of homozygosity around homozygous rare pathogenic variants in nonconsanguineous families with rare AR disorders supports the notion that these couples may have a common ancestor for more than six generations and the system of marriages between same groups. Hence, using the strategy of homozygosity by descent even in nonconsanguineous families can be fruitful in identifying the novel pathogenic variations and novel genes.
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Affiliation(s)
- Shubha R Phadke
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow 226 014, India.
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Masih S, Moirangthem A, Phadke SR. Renpenning syndrome in an Indian patient. Am J Med Genet A 2019; 182:293-295. [PMID: 31840915 DOI: 10.1002/ajmg.a.61457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 09/23/2019] [Accepted: 11/18/2019] [Indexed: 11/09/2022]
Abstract
Renpenning syndrome is one of the well-characterized causes of X-linked intellectual disability and is associated with microcephaly and various visceral malformations. Face is considered characteristic but the dysmorphism is subtle. Here we report an Indian adult with a very lean habitus, progressive atrophy of the upper back muscles, microcephaly, loss of cervical lordosis, and upper thoracic scoliosis. Using whole-exome sequencing, a hemizygous deletion was identified in PQBP1 that leads to a frameshift and premature termination of translation. The loss of normal curvatures of cervical and upper thoracic spine due to muscular atrophy is a characteristic feature, though it may be age dependent.
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Affiliation(s)
- Suzena Masih
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Amita Moirangthem
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Shubha R Phadke
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
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Oakes G, Tang J, Masih S, Qiu F, Fang J, Wijeysundera H, Woodward G. OUTCOMES FOLLOWING TRANSCATHETER AORTIC VALVE IMPLANTATION (TAVI) IN ONTARIO (2013-2016). Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Elbaz Greener G, Qiu F, Masih S, Fang J, Austin P, Cantor W, Dvir D, Asgar A, Webb J, Ko D, Wijeysundera H. PROFILING HOSPITAL PERFORMANCE BASED ON MORTALITY AFTER TRANS-CATHETER AORTIC VALVE REPLACEMENT IN ONTARIO, CANADA. Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Franklin S, Masih S, Thomas AM. An in-vitro assessment of erosive potential of a calcium-fortified fruit juice. Eur Arch Paediatr Dent 2014; 15:407-11. [PMID: 24986231 DOI: 10.1007/s40368-014-0130-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Accepted: 05/06/2014] [Indexed: 12/01/2022]
Abstract
AIM To evaluate and compare the in vitro pH, buffer capacity and calcium loss from tooth enamel before and after calcium fortification of a packaged fruit juice. METHODS An approved brand of packaged mixed fruit juice was selected as a test drink on the basis of a pilot questionnaire. The test drink was fortified with 1,000 mg/l (0.1% w/v) of calcium citrate malate to obtain two test groups: Group 1: original beverage (serving as control) and Group 2: calcium-fortified drink. The pH and buffering capacity for the test drinks were measured before and after calcium fortification; 90 prepared enamel samples were divided and immersed into three test subgroups: (1) buffer solution pH 7 (positive control), (2) original fruit juice (negative control) and (3) calcium-fortified fruit juice for 3 min. Calcium loss from the enamel of immersed teeth was measured as a quantitative estimate of tooth mineral loss. RESULTS After calcium fortification of the fruit juice the mean pH raised from 3.4 to 4.0 (p = 0.029), the mean buffer capacity decreased from 9.73 to 9.16 (p < 0.001) and the mean calcium loss from enamel specimens decreased from 3.5 to 0.26 mg/dl (p < 0.001). STATISTICS To compare the change in mean pH and buffering capacity between the subject groups, t test was used, and to compare the calcium loss from enamel specimens, among the three subgroups, ANOVA was used. CONCLUSION Calcium fortification of packaged fruit juice in vitro, improves its pH and buffering capacity. Consequently, the fortified juice causes significantly less mineral loss from human enamel. Fortifying juice with calcium may exert a significant protective potential against dental erosion particularly due to frequent exposure of acidic drinks.
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Affiliation(s)
- S Franklin
- Department of Pediatric and Preventive Dentistry, Christian Dental College, Ludhiana, 141008, Punjab, India,
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Abstract
This article presents a case of bilateral unerupted supernumerary teeth in the mandibular premolar region. Surgical removal of the right-sided supernumerary tooth had to be carried out as it was impeding the eruption of the mandibular first premolar. However, its supernumerary antimere, lay dormant.
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Affiliation(s)
- S Masih
- Department of Pediatric and Preventive Dentistry, Christian Dental College, CMC, Ludhiana, Punjab, India
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Kao K, Hong S, Taylor C, Nouvong A, Masih S, Perell K, Fang M. Laterally Wedged Shoe Inserts as An Intervention for Medial Knee Osteoarthritis. J Investig Med 2006. [DOI: 10.1177/108155890605401s185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- K.C. Kao
- VA Greater Los Angeles Healthcare System, Los Angeles, CA
- David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - S. Hong
- VA Greater Los Angeles Healthcare System, Los Angeles, CA
- David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - C.E. Taylor
- VA Greater Los Angeles Healthcare System, Los Angeles, CA
| | - A. Nouvong
- VA Greater Los Angeles Healthcare System, Los Angeles, CA
- David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - S. Masih
- VA Greater Los Angeles Healthcare System, Los Angeles, CA
- David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - K.L. Perell
- VA Greater Los Angeles Healthcare System, Los Angeles, CA
- Department of Kinesiology and Health Science, California Sate University, Fullerton, CA
| | - M.A. Fang
- VA Greater Los Angeles Healthcare System, Los Angeles, CA
- David Geffen School of Medicine at UCLA, Los Angeles, CA
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Kao KC, Hong S, Taylor CE, Nouvong A, Masih S, Perell KL, Fang MA. 302 LATERALLY WEDGED SHOE INSERTS AS AN INTERVENTION FOR MEDIAL KNEE OSTEOARTHRITIS. J Investig Med 2006. [DOI: 10.2310/6650.2005.x0004.301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Abstract
We present a rare case of a non-calcified pilomatricoma in a 67-year-old man. This tumor was extremely large in size, and its location, in the lower extremity, was very unusual. The clinical, radiographic, and histopathological features are described in detail. The role of magnetic resonance imaging (MRI) in the diagnosis of this entity is discussed. Definite internal reticulations and septations were observed. A possible explanation for this observation is that the high signal intensity reticulations may represent edematous stroma surrounding basaloid cells.
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Affiliation(s)
- S Masih
- West Los Angeles V.A. Medical Center, Department of Radiology, 114, 11301 Wilshire Blvd, Los Angeles, CA 90073, USA
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Abstract
Using radiographs and diagrams, this article reviews the most commonly used axes and angles of the foot, including: longitudinal axis of the rearfoot, collum tali axis, talocalcaneal angle, cuboid abduction angle, longitudinal axis of the lesser tarsus, lesser tarsus angle, talonavicular angle, longitudinal axis of the metatarsus, forefoot adductus angle, metatarsus adductus angle, first intermetatarsal angle, hallux valgus angle, proximal and distal articular set angles, and hallux interphalangeal angle, plane of support, collum tali axis, talar declination angle, calcaneal inclination axis, lateral talocalcaneal angle, first metatarsal declination axis and calcaneal inclination angle.
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Affiliation(s)
- A Gentili
- West-Los Angeles Veteran Administration Medical Center, CA 90073, USA
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Masih S, Bakhda RK, Collins JD. Pelvic fused kidneys: magnetic resonance imaging and intravenous pyelogram correlation. J Natl Med Assoc 1988; 80:925-7. [PMID: 3246706 PMCID: PMC2625714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
This is a case presentation of pelvic fused kidneys as demonstrated by intravenous pyelogram and magnetic resonance imaging (MRI). The authors wish to stress the importance of anatomical imaging with MRI in the coronal plane. No reconstruction is required as with computerized tomography.
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Grossman I, von Phul R, Fitzgerald JP, Masih S, Turner F, Kurohara SS, George F. Proceedings: The early lymphatic spread of manifest prostatic adenocarcinoma. Am J Roentgenol Radium Ther Nucl Med 1974; 120:673-7. [PMID: 4856263 DOI: 10.2214/ajr.120.3.673] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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