Joelho sem dor: ciência avança na regeneração da cartilagem

SAÚDE Imagem: Canva Pro Descoberta reacende a esperança de quem convive com dor no joelho

[{"selector":"#anim-e019cbff-5cdd-47c9-9206-64e35a5d1309 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-f2b6384f-828e-4357-a601-2aaeccbdf39f","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-da03adab-8d52-4ab2-bb6f-1ab3fb0a638e","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Dor no joelho não começa só na velhice. Ela surge aos poucos e limita movimentos simples. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-fe6213ad-4f12-4a4e-9992-12fe52d9c81d [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-1f025351-dd7e-4c0e-8e94-a7acf1082f6b","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5924c804-1fa9-44a3-bb3f-22ee688bfc75","keyframes":{"transform":["translate3d(-116.38226%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Subir escadas, caminhar ou ficar muito tempo em pé passa a incomodar mais do que deveria. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-63ad8d94-68ba-45cd-845f-c6301e4d4c7c [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-a4ee9c33-850d-48cd-a23f-cb1f4e108098","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5d1992b6-f7a1-438d-aab0-5daf8eaed2fc","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] O problema, muitas vezes, está na cartilagem do joelho. Ela age como um amortecedor que evita o atrito ósseo. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-28d86dfa-1dc9-4246-9444-7255757633bc [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-d38e8733-dbfb-4850-bb8e-2083dda7b6ef","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c9f83835-5b7d-4826-948c-dd9d0295996f","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Quando a cartilagem se desgasta, surge atrito, inflamação, dor e perda de mobilidade. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-337325ac-6670-4c85-b54e-6ea41779ce51 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-185ac444-7f12-4635-8c94-78f7cae5cc4a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-56193784-9fd3-4b56-9eec-252459ae766e","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Durante décadas, acreditava-se que a cartilagem não conseguia se regenerar no adulto. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-4207eb6a-7ac6-4c8a-ad1f-494b21505303 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-b2826750-099d-46eb-895c-6506f8d8de5a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c15b88ae-ebea-40da-a332-f2f7f0ddc3cc","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Isso começou a mudar. Pesquisas recentes indicam que a cartilagem do joelho pode ser estimulada a se regenerar. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-e6fd22fe-8f7c-4a7b-ba79-35bc95f68aab [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-4ef408a0-950c-42d2-8130-381550af3fc1","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1d68d479-14f2-45cc-8695-6e835af1fac4","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] A nova abordagem não substitui o tecido. Ela ativa mecanismos naturais de reparo do próprio organismo. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-24326a6c-0230-4a69-945a-f6a35a63dba0 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-0a638bb6-d1d8-4cea-9ba9-24c2cf8f1a99","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-22dd3799-0a72-47e0-ab8a-4557a9935f82","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] O objetivo é permitir que células especializadas voltem a produzir cartilagem saudável. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-d65763df-5e05-4f03-b863-010eeebef8ff [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-115b9390-17ea-4827-9ae9-d1c40a282ab2","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e517f566-f61e-467e-8cd0-436103ec1541","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Se confirmada em larga escala, essa estratégia pode reduzir dores crônicas e adiar cirurgias. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-8ff35f7d-1141-46f0-8058-25051af1bc6a [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-f3c06042-643b-4773-8650-09ca1bdce5fd","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-826553da-91d1-4173-934c-a0486ef60f4e","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] O que antes parecia desgaste irreversível começa a se tornar uma possibilidade de recuperação. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-c6984f49-c1cc-4bd8-8dc5-c3f4614f6e8f [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-ffc604ef-f86e-420c-a1bb-6348688e4714","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a349222b-4c88-4f70-8b70-1d72d0f3a72e","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Saiba mais sobre essa descoberta no Fala Ciência. Imagem: Getty Images/ Canva Pro Ler artigo