This Week in Parasitism

TWiP 103: Scroll down, please

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This Week in Parasitism

Vincent Racaniello

Description: TWiP is a monthly netcast about eukaryotic parasites. Vincent Racaniello and Dickson Despommier, science Professors from Columbia University, deconstruct parasites, how they cause illness, and how you

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TWiP 103: Scroll down, please

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Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin

Guest: Michael Libman

The TWiP-scholars solve the case of the Housewife from Kolkata, discuss mutations in the IL17 gene associated with cerebral malaria, and hear a case presentation from guest Michael Libman.

 

Links for this episode:  Case study for TWiP 103

This week's case concerns a 42 yo male, refugee in Canada, from DRC, former Zaire, where there is unending civil war. Upper middle class, professor of French at university. Had been imprisoned, tortured, lived in jungle for a few years, reached refugee camp in Tanzania, moved to Canada. Came to health care system 15 months after arrived. Was sent to psych, unstable emotionally, delusions, hallucinations, depression, post traumatic issues. Was under psych care for ~1 yr, did not improve, became worse. Sent to hospital. History: talked about having minor injury, hurt lower back, pain there bothering him. Some anemia (normochromic), basic hem/chem/urine/liver nothing remarkable. Physical exam, nothing remarkable. HIV negative. Some evidence for chronic inflammatory condition: sed rate 60 (elevated), had diffuse increase in IgG, IgM. Developed some low level autoantibodies; anti-nuclear, p-anka, anti-neutrophil cytoplasmic antibodies. Slightly elevated fever for a few days, then few days or week with no fever. No eosinophilia. Radiology: on CT did have some mediastinal, aortic, axillae, lymphadenopathy. Prob screened in Africa for malaria and treated; prob also got ivermectin. Also got head MRI: not completely normal, classic nonspecific midbrain abnormality. Diffuse mild edema. Weight loss remarkable. No visual problems.

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Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin

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Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin

The doctors TWiP solve the case of the Woman with White Worms, and explain the role of a secreted growth factor from a carcinogenic parasite in wound healing and angiogenesis.

 

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TWiP 100: Driving past a milestone

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Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin

The TWiP trifecta solves the case of the Woman from Bolivia with Belly Pain, and discuss a method for population modification of malaria mosquitoes using a Cas9-mediated driver gene.

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The TWiP trifecta solves the case of the Professor Who Went to Brazil, and discuss an amazing case of a tapeworm that turned into a tumor in an AIDS patient.

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The TWiP-lets reveal Balamuthia infection in the Children from Peru, and discuss resistance to pyrethroids revealed by RNA sequencing of Anopheles mosquitoes.

Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin

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