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This Week in Parasitism

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 parasi...

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5 resultat 254
  • TWiP 254: Our hero Dickson
    TWiP explains a study which finds that tissue spaces are reservoirs of antigenic diversity for Trypanosoma brucei, then remembers our departed colleague Dickson Despommier. Hosts: Vincent Racaniello, Daniel Griffin, and Christina Naula Click arrow to play Download TWiP #254 (88 MB .mp3, 61 minutes) Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Links for this episode Join the MicrobeTV Discord server Tissue spaces are reservoirs of antigenic diversity for T. brucei (Nature) Understanding trypanosome antigenic variation (Emerg Top Life Sci) Tissue resident T. brucei (PLoS Path) Hero – Dickson Despommier Despommier Photo Art Parasitology Course (YouTube) Become a patron of TWiP  Send your questions and comments to [email protected] Music by Ronald Jenkees TWiP explains a study which finds that tissue spaces are reservoirs of antigenic diversity for Trypanosoma brucei, then remembers our departed colleague Dickson Despommier. Hosts: Vincent Racaniello, Daniel Griffin, and Christina Naula Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Links for this episode Join the MicrobeTV Discord server Tissue spaces are reservoirs of antigenic diversity for T. brucei (Nature) Understanding trypanosome antigenic variation (Emerg Top Life Sci) Tissue resident T. brucei (PLoS Path) Hero – Dickson Despommier Despommier Photo Art Parasitology Course (YouTube) Become a patron of TWiP  Send your questions and comments to [email protected] Music by Ronald Jenkees
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  • TWiP 253: Sub-Saharan somnolence
    TWiP solves the case of the man with somnolence and something extra-erythrocytic, and presents a new puzzle for you to solve. Hosts: Vincent Racaniello, Daniel Griffin, and Christina Naula Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Links for this episode Join the MicrobeTV Discord server Letters read on TWiP 253 New Case 26-year-old female with no past medical history.  Patient is from Georgia in the US and is volunteering in Hérico, Guinea (town in the Lélouma Prefecture in the Labé Region of northern-central Guinea). She arrived in Guinea in December  2023.  She was taking doxycycline for malaria prophylaxis and says that she has not missed any doses On October  2024 she presented with fever and dry cough.  Lab work was done and follow up planned for the following day.  The patient slept poorly, was febrile to 104 and had ongoing cough.  The next day she went to the hospital and was evaluated in the ER for acute febrile illness of unclear etiology.   In the hospital, VS were 97.9F, BP 105/70, P 94 Oxy sat 98%, normal physical exam. She was started on Augmentin and Coartem. Pause here to think about the differential at this point and maybe some more history and what testing you might want WBC 14, Hb 13, HCT 40, PLT 285, Neut abs 8, Eos Abso0.80; BUN/creat  normal, AST normal; ALT 44, GGT 125 Stool parasite screen + for some sort of eggs, malaria smear negative, CXR with b/l infiltrates She was given a medication (vomited 30 min after dose received).  She then received a second dose of medication 5 hours after the first) and was discharged. The following day the patient returned to the ER, stating that she felt worse.  Her temperature had climbed to 104 overnight, and she developed watery diarrhea and nausea.  There were no additional episodes of vomiting.  She was given an additional dose of a medication, ibuprofen, and started on ceftriaxone 1 gm IV Q12 hrs.  During the day she continued to have low grade fevers and developed abdominal pain.  That night she was again febrile to 104 F.    She remained admitted for 5 days with ongoing symptoms of diarrhea, nighttime fevers and diffuse abdominal discomfort.  Three more malaria tests were negative (rapid test and slide review) Blood cultures collected – no growth She continued to have mild elevation of WBC and slight elevation of AST and ALT. The patient was transferred to a different hospital. They give her a different medication, and within 24 hours symptoms resolve.  What is the diagnosis and what happened here with management? Become a patron of TWiP  Send your questions and comments to [email protected] Music by Ronald Jenkees
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  • TWiP 252: For malaria vaccine, mosquito is the needle
    TWiP discusses a study of the safety and immunogenicity of a late liver-stage attenuated malaria parasite delivered by mosquito bite. Hosts: Vincent Racaniello, Daniel Griffin, and Christina Naula Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Links for this episode Join the MicrobeTV Discord server Live attenuated malaria vaccine (NEJM) Plasmodium metabolism during hepatic development (Cell) Heroes – Jimmy and Rosallyn Carter, and the Carter Center The Carter Center Guinea Worm Eradication Programme Guinea Worm data visualisations (Our World in Data) Become a patron of TWiP  Send your questions and comments to [email protected] Music by Ronald Jenkees
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  • TWiP 251: Case of the facial ulcer
    TWiP solves the case of the woman who went to Belize and notices a lesion on her face, and presents a new clinical case for you to solve. Hosts: Vincent Racaniello, Daniel Griffin, and Christina Naula Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Links for this episode Join the MicrobeTV Discord server Letters read on TWiP 251 New Case Recent case, Arusha hospital, 1800 m, 28 yo comes in, has been visiting game parks. Developing fevers, malaise, bad headaches, body aches, somnolent. Blood smears negative, no malaria. Repeat blood smear, see something extra-erythrocytic. This gives them the diagnosis. HIV neg, no toxic habits, no history. Symptom onset about a week ago. Rest of family is ok.  Become a patron of TWiP  Send your questions and comments to [email protected] Music by Ronald Jenkees
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  • TWiP 250: Gut bacteria help Trichinella suppress colitis
    TWiP reviews a study showing that the gut microbiota is essential for suppression of colitis by Trichinella spiralis. Hosts: Vincent Racaniello, Daniel Griffin, and Christina Naula Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Links for this episode Join the MicrobeTV Discord server Gut bacteria and Trichinella suppression of colitis (PLoS NTD) Become a patron of TWiP  Send your questions and comments to [email protected] Music by Ronald Jenkees
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Om This Week in Parasitism

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.
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