To be successful, CAR T-cells need a balance between being effective and overkill. Researchers from the University of Pennsylvania and Vittoria Biotherapeutics Inc. have eliminated the CD5 signaling pathway of their CAR Ts to prevent the immunosuppressive brake effect. In return, this improved their proliferation and antitumor activity in T cell lymphomas.
Actinium Pharmaceuticals Inc. has received FDA clearance of an IND application to study Iomab-ACT for targeted conditioning prior to a bone marrow transplant (BMT) in patients with sickle cell disease.
Researchers in Japan have discovered that a phage-derived enzyme called endolysin, which targets highly resistant biofilm-forming bacteria, could help restore the gut microbiota to mitigate acute graft-vs.-host disease. Acute graft-vs.-host disease (aGVHD) is a common complication for patients who undergo allogeneic hematopoietic cell transplantation (allo-HCT). Recent studies have highlighted the significant role of the microbiome in aGVHD, with dysbiosis contributing to its pathogenesis.
Von Willebrand factor (vWF) plays a crucial role in hemostasis, and elevated levels are associated with risk of thrombosis. Gain-of-function mutations in the C-domain of vWF are linked to an increased risk of thrombosis. Previous work has shown that disrupting cysteine-rich C-domain in vWF led to reduced platelet recruitment in a shear-dependent fashion, making it a promising target for pharmacology. Apollo Therapeutics Ltd. has presented data on antibodies targeting the C-domain of vWF, including AP-21 as antithrombotics.
Beijing Gensciences Inc. has developed a FVIIIa-mimetic bispecific antibody named SS-315 for the treatment of hemophilia A. SS-315 was developed by targeting FX with its upper Fab arms and FIXa with its down-side scFv arms, respectively; the hemostatic potential of SS-315 was investigated in vitro and in vivo.
Glycoprotein VI (GPVI) is a platelet collagen receptor involved in platelet activation and an emerging target for treating thrombotic disorders such as ischemic stroke. Data have been presented by University of Würzburg scientists regarding a humanized anti-GPVI Fab antibody, EMA-601, with unprecedented potency in vitro and in vivo.
There is growing evidence of the role of soluble endoglin in the biology of platelets, including thrombosis. French researchers have investigated the role of genetic variants in the gene encoding endoglin, ENG, and the risk of venous thrombosis development.
Transmembrane serine protease 6 (TMPRSS6) is a negative regulator of hepcidin, which is the main iron homeostasis-regulating hormone. Regeneron Pharmaceuticals Inc. has recently presented preclinical data for the monoclonal antibody targeting TMPRSS6, REGN-7999, which is being developed for the treatment of iron overload.
Researchers from Incyte Corp. and collaborators presented the preclinical profile of INCB-160058, an ATP-competitive small-molecule inhibitor of the JAK2 V617F mutant sparing its wild-type (WT) form, designed for the treatment of JAC2 V617F mutation-positive myeloproliferative neoplasms with potential as a first-in-class JAK2 V617-inhibiting drug.
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