Evidence map›Paper›PMID 42609633›Full record

ArticleFrontiers in pharmacology2026

Hematopoietic and T-lymphopoiesis-stimulating effects of a fluorinated pyrazolopiperidine β-cyclodextrin complex in cyclophosphamide-induced hematopoietic suppression.

Assel Ten, Layilya Baktybayeva, Zhanargul Koshetova, Raushan Koizhaiganova, Guldana Daulet, Tolganay Zharkynbek, Valentina Yu

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Article in Frontiers in pharmacology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Assel Ten *Laboratory of Synthetic and Natural Medicinal Compounds Chemistry, A. B. Bekturov Institute of Chemical Sciences, Almaty, Kazakhstan.
Layilya Baktybayeva *Department of Biophysics, Biomedicine and Neuroscience, Al Farabi Kazakh National University, Almaty, Kazakhstan.
Zhanargul Koshetova *Laboratory of Synthetic and Natural Medicinal Compounds Chemistry, A. B. Bekturov Institute of Chemical Sciences, Almaty, Kazakhstan.
Raushan KoizhaiganovaLaboratory of Synthetic and Natural Medicinal Compounds Chemistry, A. B. Bekturov Institute of Chemical Sciences, Almaty, Kazakhstan.
Guldana DauletDepartment of Biophysics, Biomedicine and Neuroscience, Al Farabi Kazakh National University, Almaty, Kazakhstan.
Tolganay ZharkynbekLaboratory of Synthetic and Natural Medicinal Compounds Chemistry, A. B. Bekturov Institute of Chemical Sciences, Almaty, Kazakhstan.
Valentina YuLaboratory of Synthetic and Natural Medicinal Compounds Chemistry, A. B. Bekturov Institute of Chemical Sciences, Almaty, Kazakhstan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Cyclophosphamide is widely used in oncology, autoimmune disorders, and transplantation-related conditioning or post-transplant immunosuppression. However, its therapeutic value is limited by hematopoietic and lymphoid toxicity, including leukopenia, neutropenia, anemia, thrombocytopenia, bone marrow suppression, thymic injury, and prolonged impairment of T-cell recovery. These effects may occur after pulsed intravenous administration, high-dose regimens used in transplantation or severe refractory disease, and continuous low-dose/metronomic exposure. Therefore, there is a medical need for pharmacological agents capable of compensating cyclophosphamide-induced hematopoietic and lymphopoietic suppression without causing uncontrolled stimulation of early progenitor cells. Aim: To evaluate the hematopoietic and T-lymphopoiesis-stimulating activity of BIV under cyclophosphamide-induced hematopoietic and T-lymphopoietic suppression. Methods: Cyclophosphamide-induced hematopoietic- and T-lymphopoiesis-suppressive models were established on laboratory albinos rats and C57BL6/J mice. Peripheral blood hematological indices in rats were measured using hematology analyzers. Hematopoietic stem cells, thymocyte subsets, Th Results: In rats with CPh-induced hematopoietic suppression, BIV supported partial recovery of erythrocyte and hemoglobin parameters and improved leukopoietic indices under CPh-induced hematopoietic suppression. The β-cyclodextrin complex of 5-benzyl-7-(o-fluorobenzylidene)-2,3-bis(o-fluorophenyl)-3,3a,4,5,6, 7-hexahydro-2H-pyrazolo[4,3-c]pyridine (BIV) demonstrated a consistent moderate activity in restoring the overall level of CD3ε+CD19- T lymphocytes in the bone marrow and thymus. In the bone marrow, BIV uniformly increased the reduced levels of CD3ε+CD19- T lymphocytes and CD3ε+CD44 Conclusion: BIV demonstrated notable hematopoietic- and T-lymphopoiesis-modulating activity. The compound partially restored erythropoiesis as well as central and peripheral T-lymphopoiesis, while providing balanced regulation of cytotoxic, regulatory, and memory T-cell subsets in cyclophosphamide-induced T-lymphopoiesis-suppressive models. Several evaluated T-lymphocyte subpopulations approached or returned to physiological control levels under the experimental conditions, although full translational validation requires further pharmacological and toxicological investigation.

Indexed as

cyclophosphamide-induced T-lymphopoiesis suppressionhematopoietic recoveryimmunomodulatory activitypyrazolopiperidine β-cyclodextrin complex (BIV)T-lymphopoiesis stimulating activity

Identifiers

PMID42609633
PMCPMC13478552

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