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Yliranta A, Mäkinen J. Chediak-Higashi syndrome: neurocognitive and behavioral data from infancy to adulthood after bone marrow transplantation. Neurocase 2021; 27:1-7. [PMID: 33295840 DOI: 10.1080/13554794.2020.1856384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Chediak-Higashi syndrome (CHS) is a rare autosomal disorder characterized by immunodeficiency, albinism, and progressive neurologic abnormalities. While survivors of the childhood-onset disease are known to exhibit learning disabilities and neuropsychiatric disorders followed by middle-age dementia, we lack detailed data on the progression. We present the case of a young adult with records from infancy to the first signs of deterioration. An early neuropsychological and neuropsychiatric profiling is crucial to intervention selection as children with CHS may not benefit from regular special education. Our patient never showed neuropsychiatric symptoms but high levels of socioemotional adaptability.
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Affiliation(s)
- Aino Yliranta
- Department of Neurology, Lapland Central Hospital, Rovaniemi, Finland
| | - Jussi Mäkinen
- Department of Neurology, Lapland Central Hospital, Rovaniemi, Finland
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Reuss S, Closhen-Gabrisch S, Closhen C. The brainstem efferent acoustic chiasm in pigmented and albino rats. Hear Res 2015; 332:1-6. [PMID: 26657095 DOI: 10.1016/j.heares.2015.11.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Revised: 11/19/2015] [Accepted: 11/25/2015] [Indexed: 10/22/2022]
Abstract
The present study examined whether structural peculiarities in the brain-efferent pathway to the organ of Corti may underlie functional differences in hearing between pigmented and albino individuals of the same mammalian species. Pigmented Brown-Norway rats and albino Wistar rats received unilateral injections of an aqueous solution of the retrograde neuronal tracer Fluorogold (FG) into the scala tympani of the cochlea to identify olivocochlear neurons (OCN) in the brainstem superior olivary complex. After five days, brains were perfusion-fixed and brainstem sections were cut and analyzed with respect to retrogradely labeled neurons. Intrinsic neurons of the lateral system were located exclusively in the ipsilateral lateral superior olive (LSO) in both groups. Shell neurons surrounding the LSO and in periolivary regions, which made up only 5-8% of all OCN, were more often contralaterally located in albino than in pigmented animals. A striking difference was observed in the laterality of neurons of the medial olivocochlear (MOC) system, which provided more than one third of all OCN. These neurons, located in the rostral periolivary region and in the ventral nucleus of the trapezoid body, were observed contralateral to 45% in pigmented and to 68% in albino animals. Our study, the first to compare the origin of the olivocochlear bundle in pigmented and albino rats, provides evidence for differences in the crossing pattern of the olivocochlear pathway. These were found predominantly in the MOC system providing the direct efferent innervation of cochlear outer hair cells. Our findings may account for the alterations in auditory perception observed in albino mammals including man.
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Affiliation(s)
- Stefan Reuss
- Department of Nuclear Medicine, University Medical Center, Johannes Gutenberg-University, Mainz, Germany.
| | - Stefanie Closhen-Gabrisch
- Department of Anatomy and Cell Biology, University Medical Center, Johannes Gutenberg-University, Mainz, Germany
| | - Christina Closhen
- Department of Anatomy and Cell Biology, University Medical Center, Johannes Gutenberg-University, Mainz, Germany
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Desai N, Weisfeld-Adams JD, Brodie SE, Cho C, Curcio CA, Lublin F, Rucker JC. Optic neuropathy in late-onset neurodegenerative Chédiak-Higashi syndrome. Br J Ophthalmol 2015; 100:704-7. [PMID: 26307451 DOI: 10.1136/bjophthalmol-2015-307012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 08/01/2015] [Indexed: 02/04/2023]
Abstract
BACKGROUND The classic form of Chédiak-Higashi syndrome (CHS), an autosomal recessive disorder of lysosomal trafficking with childhood onset caused by mutations in ITALIC! LYST, is typified ophthalmologically by ocular albinism with vision loss attributed to foveal hypoplasia or nystagmus. Optic nerve involvement and ophthalmological manifestations of the late-onset neurodegenerative form of CHS are rarely reported and poorly detailed. METHODS Case series detailing ophthalmological and neurological findings in three adult siblings with the late-onset form of CHS. RESULTS All three affected siblings lacked features of ocular albinism and demonstrated significant optic nerve involvement as evidenced by loss of colour and contrast vision, central visual field loss, optic nerve pallor, retinal nerve fibre layer thinning by optical coherence tomography (OCT) and abnormal visual evoked potential, with severity corresponding linearly to age of the sibling and severity of neurological disease. Further, unusual prominence of a 'third line' on macular OCT that may be due to abnormal melanosomes was seen in all three siblings and in their father. Neurological involvement included parkinsonism, cerebellar ataxia and spastic paraparesis. CONCLUSIONS This report expands the ophthalmological phenotype of the late-onset neurodegenerative form of CHS to include optic neuropathy with progressive vision loss, even in the absence of ocular albinism, and abnormal prominence of the interdigitation zone between cone outer segment tips and apical processes of retinal pigment epithelium cells on macular OCT.
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Affiliation(s)
- Ninad Desai
- Division of Neuro-ophthalmology, Department of Neurology, New York University School of Medicine, New York, New York, USA
| | - James D Weisfeld-Adams
- Division of Clinical Genetics and Metabolism, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado, USA Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Scott E Brodie
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Catherine Cho
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Christine A Curcio
- Department of Ophthalmology, University of Alabama School of Medicine, Birmingham, Alabama, USA
| | - Fred Lublin
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Janet C Rucker
- Division of Neuro-ophthalmology, Department of Neurology, New York University School of Medicine, New York, New York, USA
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Ho MC, Hsieh YT. Mixed hyperpigmentation and hypopigmentation of iris and choroid in Chediak-Higashi syndrome. J AAPOS 2013; 17:558-60. [PMID: 24160983 DOI: 10.1016/j.jaapos.2013.06.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Revised: 04/21/2013] [Accepted: 06/20/2013] [Indexed: 10/26/2022]
Abstract
An 8-year-old Taiwanese girl presented with hyperpigmentation and scattered hypopigmentation in her irides and choroids. Her skin showed hyperpigmentation with speckled hypopigmentation over cheeks and sun-exposed areas. Medical history was remarkable for frequent infectious episodes and lower extremity bruising. A peripheral blood smear revealed large inclusion bodies in the cytoplasm of neutrophils. The patient was diagnosed with Chediak-Higashi syndrome and continues to be monitored closely.
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Affiliation(s)
- Min-Chieh Ho
- Department of Ophthalmology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan
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Abstract
The Mediterranean area represents the area of land that borders the Mediterranean basin. It is composed of several countries that share many geographic and racial characteristics. Although Mediterraneans seem to share common skin type and are subjected to similar enviromental factors, they still represent a genetic and socioeconomic diversity. True prevalence of pigmentary disorders in this area depends on large epidemiologic studies, including countries that are not available. This article, however, highlights and classifies the most important developmental (heritable-genetic) and acquired pigmentary disorders seen and reported in this important area of the world.
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Affiliation(s)
- Medhat A El-Mofty
- Department of Dermatology, Faculty of Medicine, Cairo University, Cairo, Egypt.
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Abstract
Albinism was one of the first genetic diseases to be noted in humans, but until relatively recently, little was known of the molecular mechanisms involved in its pathogenesis. Recent advances have shown us that mutations in at least seven different genes can cause a reduction in melanin pigment biosynthesis, producing the various associated clinical features associated with albinism, including hypopigmentation of the skin, hair, and eyes; optic track misrouting; foveal hypoplasia; and reduced visual acuity. Analysis of mutations in these seven genes has revealed that the phenotypic spectrum associated with albinism is broad, making molecular analysis an important part in the accurate diagnosis of this disease.
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Affiliation(s)
- W S Oetting
- Department of Medicine, University of Minnesota, Minneapolis 55455, USA.
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Sabatino G, Verrotti A, Ramenghi LA, Domizio S, Melchionda D, Fulgente T, Paci C, Andreamatteo GD, Thomas A, Onofrj M. Newborns with hyperbilirubinemia: usefulness of brain stem auditory response evaluation. Neurophysiol Clin 1996; 26:363-8. [PMID: 9018698 DOI: 10.1016/s0987-7053(97)89150-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
We describe brain stem auditory evoked potentials (BAEP) obtained in 48 full-term newborns (20 boys, 28 girls) presenting with high serum total bilirubin concentration (from 238 to 442 mM) without Rhesus of group A, B, O factors incompatibility. Recordings were performed on the 3rd day of life and repeated 5-7 days post-appropriate therapy with photostimulation and exchange transfusion (when bilirubin concentration had decreased below 136 mM). Supplementary recordings were performed 3, 6 and 12 weeks later in order to assess test-retest reliability of components. Mean values of BAEP latencies were compared with those obtained in 40 age-matched control subjects using the same recording procedures. At first recording session (on the 3rd day), latencies of waves III and V obtained in hyperbilirubinemic patients were significantly increased as compared with records in control subjects. Recordings performed 5 to 7 days post-therapy and during subsequent recording sessions showed no significant differences between patients and control groups. Serial neuropsychological evaluations obtained over a 3-year follow-up showed no subsequent neurodevelopmental abnormality for all patients. These findings suggest that hyperbilirubinemia can alter central neurotransmission in auditory brain stem pathways, but this modification is only transient.
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Affiliation(s)
- G Sabatino
- Department of Neonatology, University of Chieti, Italy
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Creel DJ, Conlee JW, Collier LL, Prieur DJ. Auditory brainstem responses in cats with Chediak-Higashi syndrome. Acta Otolaryngol 1994; 114:373-5. [PMID: 7976308 DOI: 10.3109/00016489409126072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Auditory brainstem responses ABRs were recorded in cats with Chediak-Higashi syndrome using monaural stimulation. The components appearing between 1 and 3 ms after stimulus onset were greatly attenuated in the ABRs recorded using a reference contralateral to the stimulated ear. These data suggest that abnormalities exist in the brainstem auditory pathway in the region of the superior olivary complex in cats with Chediak-Higashi syndrome.
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Affiliation(s)
- D J Creel
- VA Medical Center, Salt Lake City, UT 84148
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Abstract
Chediak-Higashi syndrome (CHS) is an uncommon genetic disorder with a constellation of clinical, pathologic, and immunologic manifestations. It is rarely reported in blacks. Pathognomonic intracellular inclusions in white blood cells are well recognized; however, characteristic abnormal melanin aggregation into giant melanosomes also occurs, as can be readily seen by histologic evaluation of hair. We present a case of CHS in a black child.
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Affiliation(s)
- L L Anderson
- Department of Medicine, Brooke Army Medical Center, Fort Sam Houston, Texas
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Affiliation(s)
- C J Witkop
- Department of Oral Pathology and Genetics, University of Minnesota School of Dentistry, Minneapolis
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Boxer LA, Smolen JE. Neutrophil Granule Constituents and Their Release in Health and Disease. Hematol Oncol Clin North Am 1988. [DOI: 10.1016/s0889-8588(18)30633-6] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Abstract
Lateral preferences for the use of eye, hand, and foot were assessed in 17 male and female albino subjects, aged 15 to 52 yr. Visual evoked potential (VEP) recordings suggested that optic fibres were abnormally decussated in these subjects, as others have shown. Fewer albino subjects showed the lateral preference for the use of hand/eye and foot/eye similar to that of normals. It is postulated that the abnormal decussation of optic fibres may underlie the reduced preference for the use of the same hand and eye, and foot and eye, in albinos.
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Abstract
Albinism is the term applied to a heterogeneous group of genetically determined disorders characterized by hypopigmentation and affecting the eyes. After describing the clinical features of albinism in general, the authors discuss the various forms of oculocutaneous albinism, ocular albinism, and albinoidism that are of interest to the ophthalmologist. Emphasis is placed on the ocular features of each form. The visual pathway abnormalities and the clinical management of albinism are discussed.
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Verma NP, Kool KA. 'Normal' and 'abnormal' crossed asymmetry in monocular visual evoked potentials. CLINICAL EEG (ELECTROENCEPHALOGRAPHY) 1985; 16:77-82. [PMID: 4006226 DOI: 10.1177/155005948501600204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
To restate the above, in the population of 29 normal subjects tested by us, 'normal' crossed asymmetry occurred in one-fifth on the FVEP study and in none on the PSVEP study; this 'normal' crossed asymmetry was always undirectional, larger Wave III being contralateral to the stimulated eye. Deviations from these observations, namely a larger Wave III ipsilateral to the stimulated eye, or a crossed asymmetry of P100 on the PSVEP study are probably examples of 'abnormal' crossed asymmetries. However, a 'normal' crossed asymmetry may occur in some abnormal situations as well, e.g. diseases and syndromes with optic misrouting as noted earlier.
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Collier LL, Prieur DJ, King EJ. Ocular melanin pigmentation anomalies in cats, cattle, mink, and mice with Chediak-Higashi syndrome: histologic observations. Curr Eye Res 1984; 3:1241-51. [PMID: 6488853 DOI: 10.3109/02713688409000828] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The Chediak-Higashi syndrome (CHS) is a hereditary disorder of man, with the homologous condition reported in five animal species. Multiple defects, including oculocutaneous hypopigmentation, are present in individuals with this syndrome. Giant cytoplasmic granules, including melanosomes and lysosomes, are characteristic. In this study, eyes from CHS affected and control cats, cattle, mink, and mice were examined histologically to determine: 1) degree of pigmentation; 2) structure and distribution of melanin granules; and 3) morphology of cells and tissues containing melanin. The CHS cattle were found to be the most ocularly hypopigmented species, whereas CHS mouse eyes contained considerably more melanin than those of the other species. Melanin granules of abnormal sizes and shapes were present in neuroepithelial and uveal tissues of CHS animals of all four species. Depigmentation apparently had occurred in the CHS eyes, since less melanin was present in eyes of old CHS animals of each species than was present in eyes of young animals. In addition, melanin containing macrophages were common in CHS eyes, and the numbers of melanocytes and pigmented epithelial cells were decreased in older CHS eyes.
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