All of the following are negative regulators of hematopoiesis except:

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Quizplus · Accepted Answer

The other three options - TGF-β, TNF, and MIP-1α - have been shown to have negative effects on hematopoiesis by either inhibiting the proliferation of hematopoietic stem cells or promoting their differentiation into non-hematopoietic cell types. In contrast, Kit ligand, also known as stem cell factor, is a positive regulator of hematopoiesis that helps to maintain the survival and proliferation of early hematopoietic progenitor cells.

All of the Following Are Negative Regulators of Hematopoiesis Except