Parasita silencioso pode viver no cérebro por décadas

SAÚDE Imagem: Gemini Infecção comum esconde mecanismo de defesa surpreendente

[{"selector":"#anim-ae676149-4955-4264-9e1f-39b5bec55efd [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-fb9e9fe6-39b5-4083-ac5a-dfe0f539a858","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bac2c9ac-f9a9-4296-bc41-142857cd55c8","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"}] Um em cada três humanos pode carregar um parasita silencioso no cérebro por toda a vida. Imagem: Canva Pro

[{"selector":"#anim-87caa3a7-55cf-4bcb-9d74-be3d5db0df8c [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0.12315240670883233%, 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-144b3b5a-3908-4fc0-9f5e-de3e4cae6837","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0b9566ea-55dc-415f-8c1b-1d5a555d9f76","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"}] O Toxoplasma gondii é transmitido por carne mal cozida, água contaminada e fezes de gatos. Imagem: Canva Pro

[{"selector":"#anim-63575016-85ca-4b47-bb89-bac51dbef155 [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-311aeffc-cc4a-45ea-8774-26114b7555ae","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bcfd7e53-1fb6-429d-b072-f4bc5cf75039","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"}] Após a infecção, ele pode formar cistos no cérebro e permanecer ali sem causar sintomas. Imagem: Canva Pro

[{"selector":"#anim-7ed71223-81c2-46a3-a84b-fd1569caff6f [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-dfa9d557-c04f-4660-b922-2a2efec771de","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-baebbe58-10b3-4a1f-a5b5-a74846a56785","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"}] O problema surge quando o sistema imunológico falha, aumentando o risco de inflamação grave. Imagem: Canva Pro

[{"selector":"#anim-e7abc7b2-e0d8-4b73-85a6-e3ca80dfd081 [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-a96d7ef1-6ae4-4975-b765-af2f3d006747","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c1696f9a-a3ab-41c8-99f5-bcd4470d0710","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"}] Pesquisadores analisaram como o corpo mantém esse invasor sob controle por anos. Imagem: Canva Pro

[{"selector":"#anim-37522607-5d55-4c60-8929-3eebcb88fd7d","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3a155ea9-1aa9-464d-b9bd-c51dfb6d6a74","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"}] Eles descobriram que o parasita invade até as células T CD8+, que deveriam combatê-lo. Imagem: Canva Pro

[{"selector":"#anim-8e5a6484-1b21-41fc-8688-2b6bc2c92b9f [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-dea79516-5ef2-4e95-a11b-f2caf8abe34c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f55da5cd-0a68-43b5-bc2e-48c5ef1271bc","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"}] A chave está na caspase-8, enzima que ativa a autodestruição da célula infectada. Imagem: Canva Pro

[{"selector":"#anim-0b423fa1-5fd1-432c-b6bd-7e611c98b8f4 [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-4bf03a1f-7e90-47c2-ace7-8e4025636f2a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e2dd5819-d25a-4238-953d-c8511537741f","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"}] Ao morrer, a célula impede que o parasita continue se multiplicando no cérebro. Imagem: Canva Pro

[{"selector":"#anim-d44985f8-3365-4fa2-8c12-0f42a37583c2 [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-5f76891b-c636-469e-8dac-b6c9b60e3683","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f147792c-3532-42a7-b817-60821f8ec156","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"}] Sem essa enzima, a infecção se torna descontrolada e pode ser fatal. Imagem: Canva Pro

[{"selector":"#anim-7cd9cbaa-b343-4998-83ed-234c5b698b08 [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-789d7341-3a37-4eb4-9ab0-e88639e082ad","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1ba3e320-e3f0-4342-8ac3-edb5aa652bee","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 tudo sobre essa defesa cerebral no artigo completo! Imagem: Canva Pro Ler artigo completo