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Species belonging to the Triatominae subfamily are commonly associated with Chagas disease, as they are potential vectors of the parasite Trypanosoma cruzi. However, their saliva contains a cocktail of diverse anti-hemostatic proteins that prevent blood coagulation, vasodilation and platelet aggregation of blood; components with indisputable therapeutic potential. We performed a transcriptomic and proteomic analyses of salivary glands and protein spots from 2DE gels of milked saliva, respectively, from the Mexican Triatoma pallidipennis. Massive sequencing techniques were used to reveal this protein diversity. A total of 78 out of 233 transcripts were identified as proteins in the saliva, divided among 43 of 55 spots from 2DE gels of saliva, identified by LC-MS/MS analysis. Some of the annotated transcripts putatively code for anti-hemostatic proteins, which share sequence similarities with proteins previously …