This Week in Parasitism
TWiP is a podcast about the tiny creatures that live in and on us.

Vincent, Dickson, and Daniel discuss how fluctuation in the price of guinea pig food could help transmission of the agent of Chagas disease, and present a new case study for your consumption.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

Links for this episode:

  • Ascaris on TWiP 21
  • Ascaris lumbricoides life cycle (jpg)
  • Child with distended abdomen due to Ascaris (jpg)
  • Bottlenecks and Chagas disease (Proc Biol Soc)
  • Letters read on TWiP 92

Case study for TWiP 92

A 20 yo Japanese female student went to the emergency room with severe abdominal pain. nausea, had vomited. Had just enjoyed homemade sushi an hour or two previuosly. She prepared the sushi: rice, salmon, tuna rolls. Salmon was local, caught by boyfriend. Tuna from store, sushi grade. No past medical history, mother with anemia. Takes oral contraceptives. No toxic habits. No travel. Monogamous. Temp 100.2, bp 140/90, hr high 90s, breathing upper teens. Physical exam normal except appears distressed in pain, belly extended, tender in left upper quadrant. Friends ate sushi but no one else got sick. All guests ate both types of fish.

Send your diagnosis to twip@twiv.tv

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Direct download: TWiP092.mp3
Category:Science -- posted at: 5:44am PDT

Vincent, Dickson, and Daniel review how Viagra might be used to block transmission of Plasmodium falciparum, and introduce a new case study.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

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Direct download: TWiP091.mp3
Category:Science -- posted at: 5:26am PDT

Vincent, Dickson, and Daniel discuss identification of an erythrocyte protein essential for invasion of Plasmodium falciparum, and introduce a new case study.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

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Direct download: TWiP090.mp3
Category:Science -- posted at: 8:38am PDT

Vincent, Dickson, and Daniel reveal last week's case study and introduce a new one concerning a patient who traveled to Belize.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

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Direct download: TWiP089.mp3
Category:Science -- posted at: 8:40am PDT

Vincent, Dickson, and Daniel discuss how a secreted protein from the protozoan parasite Theileria transforms its host cells via a cellular proto-oncogene.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

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Direct download: TWiP088.mp3
Category:Science -- posted at: 7:57am PDT

Vincent, Dickson, and Daniel review new insight into antigenic variation in trypanosomes, reveal the difficult solution to the last case study, and present another mystery for your solving.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

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Direct download: TWiP087.mp3
Category:Science -- posted at: 8:55am PDT

Vincent, Dickson, and Daniel discuss how filarial infection modulates the immune response to mycobacterial infection, and reveal a new case study.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

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Direct download: TWiP086.mp3
Category:Science -- posted at: 6:18am PDT

Vincent, Dickson, and Daniel explain how trypanolytic factor forms membrane channels to lyse trypanosomes, and present a new case study.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

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Direct download: TWiP085.mp3
Category:Science -- posted at: 7:17am PDT

Vincent, Dickson, and Daniel consider the delivery of anti-trypanosome nanobodies to the tsetse fly via a bacterial symbiont, and present a new case study.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

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Direct download: TWiP084.mp3
Category:Science -- posted at: 7:12am PDT

Vincent, Dickson, and Daniel present a new case study, and discuss the effect of chronic malaria infection on wild warbler life span and telomere degradation.

Hosts: Vincent RacanielloDickson Despommier, and Daniel Griffin

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Direct download: TWiP083.mp3
Category:Science -- posted at: 4:59pm PDT