Senolytics decrease senescent cells in humans: Preliminary report from a clinical trial of Dasatinib plus Quercetin in individuals with diabetic kidney disease.
EBioMedicine
; 47: 446-456, 2019 Sep.
Article
en En
| MEDLINE
| ID: mdl-31542391
ABSTRACT
BACKGROUND:
Senescent cells, which can release factors that cause inflammation and dysfunction, the senescence-associated secretory phenotype (SASP), accumulate with ageing and at etiological sites in multiple chronic diseases. Senolytics, including the combination of Dasatinib and Quercetin (Dâ¯+â¯Q), selectively eliminate senescent cells by transiently disabling pro-survival networks that defend them against their own apoptotic environment. In the first clinical trial of senolytics, Dâ¯+â¯Q improved physical function in patients with idiopathic pulmonary fibrosis (IPF), a fatal senescence-associated disease, but to date, no peer-reviewed study has directly demonstrated that senolytics decrease senescent cells in humans.METHODS:
In an open label Phase 1 pilot study, we administered 3â¯days of oral D 100â¯mg and Q 1000â¯mg to subjects with diabetic kidney disease (Nâ¯=â¯9; 68·7⯱â¯3·1â¯years old; 2 female; BMI33·9⯱â¯2·3â¯kg/m2; eGFR27·0⯱â¯2·1â¯mL/min/1·73m2). Adipose tissue, skin biopsies, and blood were collected before and 11â¯days after completing senolytic treatment. Senescent cell and macrophage/Langerhans cell markers and circulating SASP factors were assayed.FINDINGS:
Dâ¯+â¯Q reduced adipose tissue senescent cell burden within 11â¯days, with decreases in p16INK4A-and p21CIP1-expressing cells, cells with senescence-associated ß-galactosidase activity, and adipocyte progenitors with limited replicative potential. Adipose tissue macrophages, which are attracted, anchored, and activated by senescent cells, and crown-like structures were decreased. Skin epidermal p16INK4A+ and p21CIP1+ cells were reduced, as were circulating SASP factors, including IL-1α, IL-6, and MMPs-9 and -12.INTERPRETATION:
"Hit-and-run" treatment with senolytics, which in the case of Dâ¯+â¯Q have elimination half-lives <11â¯h, significantly decreases senescent cell burden in humans. FUND NIH and Foundations. ClinicalTrials.gov Identifier NCT02848131. Senescence, Frailty, and Mesenchymal Stem Cell Functionality in Chronic Kidney Disease Effect of Senolytic Agents.Palabras clave
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Quercetina
/
Senescencia Celular
/
Nefropatías Diabéticas
/
Dasatinib
Tipo de estudio:
Diagnostic_studies
/
Prognostic_studies
Límite:
Aged
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Revista:
EBioMedicine
Año:
2019
Tipo del documento:
Article