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PODCAST

This Week in Parasitism

Vincent Racaniello

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 can prevent infections.

science life sciences

All Episodes

01:19:37

TWiP 153: Ars longa, vita brevis

This Week in Parasitism ·

2018/06/13

Vincent and Daniel solve the case of the Panamanian Farmer with Three Weeks of Diarrhea, and discuss how microbes egested during bites of sand flies exacerbate the severity of leishmaniasis. Hosts: Vincent Racanielloand Daniel Griffin Become a patron of TWiP. Links for this episode: Sand fly microbesand leishmaniasis severity (Cell Host Micr) Letters read on TWiP 153 Case Study for TWiP 153 Man in clinic, in city recently, developed rash in groin area, concerned about this. Lives in open

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01:47:37

TWiP 152: A range of rads

This Week in Parasitism ·

2018/05/26

The TWiP peeps solve the case of the Panamanian Mother with Steatorrhea, and reveal new monoclonal antibodies that effectively block malarial infection. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Plasmodiumimmunity from injected sporozoites(Nature) New monoclonal prevents malaria infection(Nat Med) Parasite Hero: Carlos Chagas Image credit Letters read on TWiP 152 Case Study for TWiP 152 40 yo man in same Panamanian village,

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01:26:57

TWiP 151: Indiscriminate bulk feeders

This Week in Parasitism ·

2018/05/02

The Podfessors solve the case of the Itchy Child from Panama, and discuss competition for blood in human malaria-helminth co-infections. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Competingfor Blood (Ecol Letters) Parasite Hero: William C. Campbell Image credit Letters read on TWiP 151 Case Study for TWiP 151 Woman in 30s, mother of last two boys we saw, same locale. Concerned about abdominal pain for 3 years. Fullness,

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01:26:17

TWiP 150: Fast food

This Week in Parasitism ·

2018/04/19

The TWiPers solve the case of the Panamanian Man With Leg Ulcer, and describe how a crab predator preferentially feeds on parasite infected prey - even though the parasite makes them faster! Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Parasite enhances susceptibilityto predators (Oecologia) Parasite Hero: Miriam Rothschild Image credit Letters read on TWiP 150 Case Study for TWiP 150 Up to Costa Rican border, travel by boat 2.5

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01:29:29

TWiP 149: Stranger in a strange land

This Week in Parasitism ·

2018/03/22

Shivang joins the TWiP triumvirate to solve the case of the New Yorker With Rash and Pins and Needles, and reveal how agrochemicals increase risk of human schistosomiasis by causing high snail density. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Guest: Shivang Shah Become a patron of TWiP. Links for this episode: Even dinosaurs had parasites (Cosmos Mag) Why some people are wormier than others (RSTMH) Angiostrongylus species in badger lungs (thanks, Rachel!) Spread of rat

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01:50:55

TWiP 148: Weep and sweep

This Week in Parasitism ·

2018/03/07

The TWiP-tologists solve the case of the South American Child With Belly Pain, and reveal how B1 cell IgE blocks parasite clearance by inhibiting mast cell activation by B2 cell IgE. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Do not eat raw earthworms! (Pediatrics) Would you let worms in your veins? (Science) Guinea Pig Doctors by Jon Franklin and John Sutherland Parasite Hero: David Bruce Letters read on TWiP 148 Case Study

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01:32:17

TWiP 147: The savvy physician tests the tissue

This Week in Parasitism ·

2018/02/24

The three amigos of parasitology solve the case of the New York Lawyer With A Foot Ulcer, and discuss a survey of rodents for the raccoon roundworm in California. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Monthly case studies (CDC) The Parasite on the Playground (NYTimes) Introduced rats and raccoon roundworm (J Parasitol) Parasite Hero: Theodor Bilharz Letters read on TWiP 147 Case Study for TWiP 147 Three year old boy, in

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01:26:45

TWiP 146: Thus misspake Despommier

This Week in Parasitism ·

2018/01/31

The TWIPniks solve the case of the Man With Diarrhea and 100 Micron Objects In Stool, and discuss the reticulocyte receptor for Plasmodium vivax. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Reticulocyte receptor for Plasmodium vivax (Science) Image credit: Parasitic Diseases, 6th Ed. Parasite Heroine: Marietta Voge Letters read on TWiP 146 Case Study for TWiP 146 27 yo male lawyer comes NY area to be seen, has 4 cm ulcer on

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01:35:55

TWiP 145: Is it excreted or secreted?

This Week in Parasitism ·

2018/01/17

The Estimados Profesores of TWIP solve the case of the Man With Motile Objects, and reveal the secreted and excreted proteins of Giardia parasites. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Excretory and secretory products of Giardia intestinalis (PLoS NTD) Image credit Letters read on TWiP 145 Case Study for TWiP 145 Male 40s, visiting NYC on business. Lives in Thailand, seeks medical attention for diarrhea and abdominal

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01:42:25

TWiP 144: A blood-free snip

This Week in Parasitism ·

2017/12/14

The TWiPtomaniacs solve the case of the Boy With Visual Disturbances and Itching, and discuss identifying secreted and excreted proteins of Trichinella parasites. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Malaria plasmepsins involved in invasion and egress (Science) Image credit Letters read on TWiP 144 Case Study for TWiP 144 Individual in 30s, male, presented to physician with stomach upset, uncomfortable feeling in legs

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01:38:39

TWiP 143: There's a lot of worms out there

This Week in Parasitism ·

2017/11/28

The TWiPians solve the case of the Woman With Anemia, Eosinophila, and a Worm in Her Intestine, and discuss a study on the function and druggability of two malarial aspartate proteases. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Malaria plasmepsins involved in invasion and egress (Science) Letters read on TWiP 143 Case Study for TWiP 143 From 1990s seen by a colleague, boy late teens, initially presented to ER in US chief

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01:33:19

TWiP 142: Just a virus, go home

This Week in Parasitism ·

2017/11/17

The TWiPsids solve the case of the Guatemalan Positive for Rhinovirus, and reveal how to kill all African trypanosomes with a primate apolipoprotein. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: APOLs kill all African trypanosomes (Nat Micro) Trypanocidal properties of APOL1 on TWiP 85: Channeling tryps Letters read on TWiP 142 Case Study for TWiP 142 Woman in 50s, immigrant from rural area with limited resources. Admitted to

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01:29:27

TWiP 141: Paratransgenesis

This Week in Parasitism ·

2017/10/31

The TWiP Wataalamu solve the case of the One Year Old From Kenya With Moving Skin Lesions, and describe how to make mosquitoes refractory to Plasmodium with engineered symbiotic bacteria. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Engineered Serratia make mosquitoes refractory to Plasmodium (Science) Operation Sea Spray (Wikipedia) Photo credit Letters read on TWiP 141 Case Study for TWiP 141 A 59 yo Spanish speaking female on

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01:35:13

TWiP 140: Blasting Blastocystis

This Week in Parasitism ·

2017/10/17

The triple TWiP solve the case of the Peace Corp Veteran with Eosinophilia, and discuss the genome sequence of the hyper-prevalent parasitic eukaryote Blastocystis. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Genome diversity of Blastocystis (PLoS Biol) Photo credit Letters read on TWiP 140 This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. Get $30 off

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01:16:35

TWiP 139: Eggsactly, ova and ova

This Week in Parasitism ·

2017/09/21

The TWiPwalas solve the case of the Woman with a Worm in Her Eye, and discuss the role of nitric oxide in the resistance of rats to Schistosoma japonicum. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Nitric oxide blocks schistosome development (PNAS) Photo credit: Dave the Sheep Shearer Letters read on TWiP 139 This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the

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01:22:31

TWiP 138: Telmophages and the skin parasite landscape

This Week in Parasitism ·

2017/09/06

The TWiPsters solve the case of the Child from DR with Poppy Seed Sized Things On His Head Hair Shafts, and reveal how the skin parasite landscape determines the infectiousness of Leishmania. Hosts: Vincent Racaniello and Daniel Griffin Become a patron of TWiP. Links for this episode: Tr (Cell Host Microbe) Letters read on TWiP 138 This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get

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01:34:31

TWiP 137: An aberrant encounter

This Week in Parasitism ·

2017/08/12

The TWiPtoids solve the case of the Man from India with a Neck Lump, and explore the role of a transmissible dysbiotic skin microbiome in inflammation during cutaneous leishmaniasis. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Transmissible dysbiotic skin microbiome in cutaneous leishmaniasis (Cell Host Microbe) Letters read on TWiP 137 This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and

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01:38:49

TWiP 136: Daniel throws a softball

This Week in Parasitism ·

2017/07/11

The TWiP Titans solve the case of the Man from Queens with a Blister Burster, and explain the role of inflammatory monocytes during Leishmania infection of the skin. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Inflammatory monocytes and skin Leishmania (PLoS Path) Dracunculiasis (TWiP 37) Photo: Daniel using a LifeStraw Letters read on TWiP 136 This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient

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01:53:33

TWiP 135: Embryonated eggs of wisdom

This Week in Parasitism ·

2017/06/21

Dickson returns to the TWiP hosts to solve the case of the Woman from Colorado With Loose Stools, and explain how single-sex infection with female Schistosoma mansoni reduces hepatic fibrosis. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: ASM Grant Writing Online Course Single-sex Schistosoma infection (PLoS NTD) Asterix the Gaul Letters read on TWiP 135 This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh

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01:18:51

TWiP 134: Does toxoplasma make you sexy?

This Week in Parasitism ·

2017/05/24

Daniel and Vincent solve the case of the Haitian Girl Who Failed To Thrive, and visit two studies that address the question of whether infection with Toxoplasma gondii alters human behavior. Hosts: Vincent Racaniello and Daniel Griffin Links for this episode: ASM Grant Writing Online Course Is Toxoplasma infection related to brain and behavior impairments? (PLoS One) Toxoplasma infection and sexual attraction (Evol Psychol) TWiP 21 - The giant intestinal worm, Ascaris lumbricoides Candiru

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