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1.
Annu Rev Biochem ; 86: 27-68, 2017 06 20.
Artículo en Inglés | MEDLINE | ID: mdl-28498720

RESUMEN

Peptides and proteins have been found to possess an inherent tendency to convert from their native functional states into intractable amyloid aggregates. This phenomenon is associated with a range of increasingly common human disorders, including Alzheimer and Parkinson diseases, type II diabetes, and a number of systemic amyloidoses. In this review, we describe this field of science with particular reference to the advances that have been made over the last decade in our understanding of its fundamental nature and consequences. We list the proteins that are known to be deposited as amyloid or other types of aggregates in human tissues and the disorders with which they are associated, as well as the proteins that exploit the amyloid motif to play specific functional roles in humans. In addition, we summarize the genetic factors that have provided insight into the mechanisms of disease onset. We describe recent advances in our knowledge of the structures of amyloid fibrils and their oligomeric precursors and of the mechanisms by which they are formed and proliferate to generate cellular dysfunction. We show evidence that a complex proteostasis network actively combats protein aggregation and that such an efficient system can fail in some circumstances and give rise to disease. Finally, we anticipate the development of novel therapeutic strategies with which to prevent or treat these highly debilitating and currently incurable conditions.


Asunto(s)
Enfermedad de Alzheimer/historia , Amiloide/química , Amiloidosis/historia , Diabetes Mellitus Tipo 2/historia , Enfermedad de Parkinson/historia , Deficiencias en la Proteostasis/historia , Enfermedad de Alzheimer/tratamiento farmacológico , Enfermedad de Alzheimer/metabolismo , Enfermedad de Alzheimer/patología , Amiloide/genética , Amiloide/metabolismo , Amiloidosis/tratamiento farmacológico , Amiloidosis/metabolismo , Amiloidosis/patología , Diabetes Mellitus Tipo 2/tratamiento farmacológico , Diabetes Mellitus Tipo 2/metabolismo , Diabetes Mellitus Tipo 2/patología , Drogas en Investigación , Regulación de la Expresión Génica , Historia del Siglo XXI , Humanos , Amiloidosis de Cadenas Ligeras de las Inmunoglobulinas , Chaperonas Moleculares/genética , Chaperonas Moleculares/metabolismo , Terapia Molecular Dirigida , Enfermedad de Parkinson/tratamiento farmacológico , Enfermedad de Parkinson/metabolismo , Enfermedad de Parkinson/patología , Agregación Patológica de Proteínas/historia , Agregación Patológica de Proteínas/metabolismo , Agregación Patológica de Proteínas/patología , Agregación Patológica de Proteínas/prevención & control , Conformación Proteica , Pliegue de Proteína , Deficiencias en la Proteostasis/tratamiento farmacológico , Deficiencias en la Proteostasis/metabolismo , Deficiencias en la Proteostasis/patología , Deficiencias en la Proteostasis/prevención & control
3.
Peptides ; 72: 104-5, 2015 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-25819751

RESUMEN

From a personal viewpoint, Abba was always a congenial colleague and a good friend. I recall the hours of unraveling complex, confusing, and many times contradictory data sets with him and the excitement we both felt as what had been puzzling began to make sense. Most of all, I feel privileged to have Abba as a long and valued friend.


Asunto(s)
Hormonas Estimuladoras de los Melanocitos/metabolismo , Deficiencias en la Proteostasis/metabolismo , Animales , Historia del Siglo XX , Historia del Siglo XXI , Humanos , Hormonas Estimuladoras de los Melanocitos/historia , Deficiencias en la Proteostasis/historia
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