CONTEXT Chédiak-Higashi Syndrome (CHS) is a rare autosomal recessive disease characterized by recurrent infections, giant cytoplasmic granules, and oculocutaneous albinism. OBJECTIVE To describe clinical and laboratory findings from CHS patients. DESIGN Case report. SETTING The patients were admitted into the Allergy and Immunology Unit of the Instituto da Criança, a tertiary public care ...

Chediak-Higashi syndrome (CHS), an autosomal recessive defect of polymorphonuclear leucocytic function is characterized by increased susceptibility to pyogenic infections, oculocutaneous albinism, neutropenia and presence of abnormal granules in leucocytes. This rare disorder has been described in approximately 80 cases from world over including three reports from India since its first descript...

Introduction: Albinism comes from ‘albus’, the Latin word meaning white, and refers to a group of hereditary disorders wherein biosynthesis pigment melanin is absent or reduced. Oculocutaneous albinism (OCA) heterogeneous autosomal recessive disorder that involves lack in skin, hair, eyes, associated with ocular visual defects such as photophobia, strabismus, nystagmus low vision. Materials Met...

A subject with clinical and biochemical tyrosinase positive oculocutaneous albinism (OCA) also had a balanced translocation, 46,XY,t(2;4)(q31.2;q31.22). This observation provides evidence for a possible gene locus in the q31 region of chromosome 2 or 4.

Mutations of genes needed for melanocyte function can result in oculocutaneous albinism. Examination of similarities in human gene expression patterns by using microarray analysis reveals that RAB38, a small GTP binding protein, demonstrates a similar expression profile to melanocytic genes. Comparative genomic analysis localizes human RAB38 to the mouse chocolate (cht) locus. A G146T mutation ...

Dermatologist, East Kent Hospitals NHS Trust, Canterbury, Kent Oculocutaneous albinism is an hereditary disease that is found worldwide. However, it is in the tropical parts of the world where the clinical and life-altering impact is felt most predominantly by persons affected with albinism (PAA) due to sun exposure and skin cancer, social exclusion and persecution secondary to lack of understa...

Methods: Spectral-domain OCT imaging was performed on study subjects in 3 groups: subjects with ocular albinism (OA) or suspected OA with foveal hypoplasia, with nystagmus, and with or without iris transillumination; a subject with oculocutaneous albinism and Hermansky-Pudlak syndrome; and control subjects. Dense volumetric scans of each fovea were captured using standard and handheld spectral-...