Next to crab recurrence aliases progression, cardiovascular diseases are nan starring causes of decease successful crab survivors. The Surveillance, Epidemiology, and End Results database revealed that among nan much than 3 cardinal who initially survived crab betwixt 1973 and 2012, 38% yet succumbed to nan illness while 11.3% died from cardiovascular diseases. Specifically, crab survivors are astatine a 4 to seven-fold higher consequence of venous thromboembolism (VTE), which proves fatal successful 1 retired of 7 crab patients.
While nan effects of high-fat diets person been studied successful nan discourse of crab and cardiovascular disease, sparse accusation is disposable connected nan effect of a high-protein fare and cancer-associated thrombosis.
In a caller study from Boston University Chobanian & Avedisian School of Medicine, researchers person recovered that a precocious macromolecule diet, aliases a fare precocious successful amino acerb tryptophan (Trp). Trp is abundant successful various protein-rich foods increases nan consequence of cancer-associated VTE successful experimental models.
Although our caller findings are based connected experimental models, we judge that knowledge gained from this study could punctual liking successful further testing relevance to nan quality condition."
Katya Ravid, co-corresponding author, nan Barbara E. Corkey professor, Boston University Chobanian & Avedisian School of Medicine
The researchers recovered that experimental models pinch colon crab who were fed a precocious macromolecule fare aliases a fare rich | pinch Trp knowledgeable much terrible improvement of vascular thrombosis compared to nan groups that had been fed a regular balanced diet. They besides recovered that inhibiting nan cardinal enzyme responsible for nan metabolism of tryptophan reduced nan severity of vascular injury. Finally, they recovered that Kynurenine, a known metabolite of tryptophan, has an effect connected humor coagulation factors that are known to beforehand thrombosis.
According to nan researchers, this activity has imaginable implications astatine nan individual diligent and organization levels. "Nutrition guidance is an integral constituent of crab diligent care. Patients pinch crab are often advised to summation their dietary macromolecule intake to compensate for cancer-cachexia (involuntary weight loss, musculus wasting, and nonaccomplishment of appetite, starring to important weakness and fatigue) and chemotherapy side-effects. At times, these patients person parenteral nutrition (feeding straight into nan bloodstream), including astir 5 to 8 times much Trp than dietary recommendation," explains co-corresponding writer Vipul Chitalia, MD, PhD, professor of medicine.
These findings look online successful nan diary Blood Advances.
Funding for this study was provided by nan AHA Cardio-oncology SFRN CATHD Center assistance 857078 (SL, AJ, XY, KR, and VCC); R01HL166608 (V.C.C and K.R.), T32HL125232 (SL), by nan Center of Cross Organ Vascular Pathology and by nan Thrombosis and Hemostasis Affinity Research Collaborative (ARC) astatine Boston University Chobanian and Avedesian School of Medicine.
Source:
Journal reference:
Lotfollahzadeh, S., et al. (2025). Dietary Tryptophan Augments Cancer-Associated Venous Thrombosis Mitigated by Indoleamine 2,3-Dioxygenase 1 Inhibition. Blood Advances. doi.org/10.1182/bloodadvances.2025017079