Gene/Protein Disease Symptom Drug Enzyme Compound
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 11,717 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We reported an autopsy case with recent memory disturbance, characterized by localized atrophy of parahippocampal gyrus, subiculum and amygdala. This patient initially exhibited recent memory disturbance at the age of 73. She was disoriented to time and place and immediately forgot having had a meal. At the age of 75, she was hospitalized because of progressive forgetfulness and congestive heart failure. One year later, she was admitted to our medical center. On admission, she was alert, but showed severe recent memory disturbance and disorientation to time and place. By contrast, she had neither aphasia nor apraxia. No other neurological symptoms were found. Brain CT showed localized atrophy of the medial part of bilateral temporal lobes and brain SPECT (123I-IMP) revealed a decrease of cerebral blood flow in the same regions. We considered her as early stage of Alzheimer type dementia (ATD) clinically. She died of pneumonia and DIC at the age of 78. Her illness lasted about 5 years. General autopsy showed prolapse of mitral valves, bronchopneumonia and DIC. The brain weighed 1,150 gm. Coronal sections of the brain revealed locarized atrophy of bilateral mediobasal part of the temporal lobes including the rostral parahippocampal gyrus, subiculum and amygdala. There were severe neuronal loss with astrogliosis and a few neurofibrillary tangles (NFT) in the rostral para-hippocampus, CA1 of the hippocampal formation, prosubiculum and amygdala. There were neither senile plaques (SP) nor NFT in the cerebral neocortex. This case lacked neocortical SP and NFT and showed bilateral localized atrophy of rostral parahippocampal gyrus, CA1, subiculum and related structure of the ventromedial temporal lobe with severe neuronal loss and astrogliosis.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[An autopsy case with recent memory disturbance, characterized by localized atrophy of parahippocampal gyrus, subiculum and amygdala]. 833 75

An infant is reported who presented with a de novo 21;21 translocation trisomy 21 and an atypical phenotype for Down syndrome (DS). Findings included microcephaly, small stature, downslanting palpebral fissures, absent Brushfield spots, moderate micrognathia, left ptosis, left torticollis, severe developmental delay, seizures, and hypertonia. Further clinical evaluation using both the diagnostic criteria for DS and the Jackson checklist of 25 signs was inconsistent with the diagnosis for DS. Blood karyotype revealed: 46,XX,+21,dic(21;21) (p11.2;p11.2). Fluorescence in situ hybridization (FISH) analysis confirmed the trisomy 21 translocation. Both parents had normal karyotypes. Chromosome and FISH analyses were performed on skin fibroblasts. These studies revealed mosaicism for a translocation trisomy 21 cell line as wel as a second cell line consisting of one normal chromosome 21 and a ring chromosome 21 derived from translocation 21q21q which appeared to have a deletion of the critical region for DS involving the distal portion of the thelong arm of chromosome 21. The chromosome findings illustrate an atypical phenotype in the spectrum of mosaic DS and suggest possible mechanisms for the variability of the phenotype. It also emphasizes the importance of evaluating other tissues for mosaicism when presented with atypical clinical findings.
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PMID:Atypical Down syndrome phenotype with severe developmental delay, hypertonia, and seizures in a child with translocation trisomy 21. 1181 53

Ring chromosomes are rare chromosomal anomalies and usually not stable in nature. Patients carrying ring chromosome have various phenotypes depending on the degree of structural rearrangement. A 1-year-old boy, presenting with hypotonia, blepharophimosis, ptosis, a bulbous nose, mild psychomotor retardation, and epilepsy, was found to have mosaicism of chromosome ring 14 and monosomy 14. His karyotype is described as hitherto unreported mos 46, XY, r(14)(p11.2q32.31 or q32.2)[84]/45, XY,-14[10]/46, XY, dic r(14)[6]. His seizures responded well to phenobarbital. He has marked growth retardation but less serious delays in mental and motor development than those with ring 14 described in the literature.
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PMID:Mosaic ring chromosome 14 and monosomy 14 presenting with growth retardation, epilepsy, and blepharophimosis. 1536 14

We present clinical and developmental data on a patient with a de novo recombinant pseudodicentric bisatellited chromosome 22 associated with a partial trisomy 22pter-22q12.1. The patient was evaluated at birth and followed-up until 21 years of age. Clinical findings include facial and digital dysmorphism, hydrocephalus and postnatal-onset growth deficiency. The patient showed bilateral microphthalmia with severe palpebral ptosis and coloboma of the iris and left optic nerve. She also has skeletal and neurological abnormalities, cholesteatoma and seizures. She had absence of speech, poor mobility, poor vision and required help with all daily living skills. Conventional chromosome GTG banded analysis showed that the proband had an abnormal karyotype:46,XX,add(22)(q13). Fluorescence in situ hybridization (FISH) analyses and microsatellite markers for DNA polymorphism study ascertained the karyotype as 46,XX,add(22)(q13.3).ish psu dic(22;22)(q13.3;q12.1)(D14Z1/D22Z1++, N25++, ARSA+, PCP22q+). The recombinant chromosome was stable and present in all cells examined. The paternal origin of the psu dic(22;22) chromosome was determined by using five highly polymorphic microsatellite markers located to the region of chromosome 22q11.2-22q13.33. A 22q13.3 monosomy was ruled out with 22q13.3 cosmid probes covering the terminal 22q-140Kb. The proband carried a recombinant pseudodicentric bisatellited chromosome psu dic(22;22)(q13.3;q12.1). To our knowledge, this is the first report of such rearrangement resulting in partial trisomy 22pter-22q12.1.
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PMID:A 21 years follow-up of a girl patient with a pseudodicentric bisatellited chromosome 22 associated with partial trisomy 22pter-->22q12.1: clinical, cytogenetic and molecular observations. 1831 57