HPCS - CAS 74056-94-3
Catalog number: 74056-94-3
Category: Main Product
Molecular Formula:
1.[Combined hepatocellular-cholangiocarcinoma (cholangiolocellular type) with stem-cell features: a clinicopathologic analysis of 26 cases].
Xu J1, Zhang CM, Qiao AX, Xi YF. Zhonghua Bing Li Xue Za Zhi. 2016 Mar 8;45(3):175-9. doi: 10.3760/cma.j.issn.0529-5807.2016.03.007.
OBJECTIVE: To study the clinicopathologic features of combined hepatocellular-cholangiocarcinoma (cholangiolocellular type, CLC type) with stem cell features and its relationship to hepatic progenitor cells (HPCs).
2.Cell cycle regulation of hematopoietic stem or progenitor cells.
Hao S1, Chen C1, Cheng T2,3,4. Int J Hematol. 2016 Mar 23. [Epub ahead of print]
The highly regulated process of blood production is achieved through the hierarchical organization of hematopoietic stem cell (HSC) subsets and their progenies, which differ in self-renewal and differentiation potential. Genetic studies in mice have demonstrated that cell cycle is tightly controlled by the complex interplay between extrinsic cues and intrinsic regulatory pathways involved in HSC self-renewal and differentiation. Deregulation of these cellular programs may transform HSCs or hematopoietic progenitor cells (HPCs) into disease-initiating stem cells, and can result in hematopoietic malignancies such as leukemia. While previous studies have shown roles for some cell cycle regulators and related signaling pathways in HSCs and HPCs, a more complete picture regarding the molecular mechanisms underlying cell cycle regulation in HSCs or HPCs is lacking. Based on accumulated studies in this field, the present review introduces the basic components of the cell cycle machinery and discusses their major cellular networks that regulate the dormancy and cell cycle progression of HSCs.
Khan Z1, Orr AV2, Michalopoulos GK3, Ranganathan S4. Pediatr Dev Pathol. 2016 Mar 28. [Epub ahead of print]
AIMS: In regenerating liver, hepatic progenitor cells (HPCs) are recruited in response to injury; however, few highly specific human HPC markers exist for the hepatocyte lineage. LGR5, a Wnt-associated stem cell marker, has been extensively studied in intestinal stem cells, but little is known about its expression in human liver. We hypothesized that LGR5+ HPCs are induced in the regenerative response to pediatric liver injury.
4.The Role of HIV-1 in Affecting the Proliferation Ability of HPCs Derived From BM.
Guo X1, He S, Lv X, Ding H, Li S, Kang J, Liu J, Qin C, Geng W, Jiang Y, Shang H. J Acquir Immune Defic Syndr. 2016 Apr 15;71(5):467-73. doi: 10.1097/QAI.0000000000000892.
HIV-1 causes chronic infection characterized by the depletion of CD4+ T lymphocytes and the development of AIDS. Current antiretroviral drugs inhibit viral spread, but they do not lead to a full immune recovery. Hematopoietic stem cells (HSCs) and multipotent hematopoietic progenitor cells (HPCs) give rise to all blood and immune cells, and in HIV infection, hematological abnormalities frequently occur in patients. Here, we used bone marrow samples from HIV-1-infected people to study the relationship between the proliferation ability of HSCs/HPCs and peripheral CD4+ T lymphocytes. Three indexes were used to reflect the proliferation ability of HSCs and HPCs: (1) colony-forming units of bone marrow mononuclear cells (BMMCs), (2) amplification of CD34+ cells purified from bone marrow mononuclear cells, (3) expression of HOXB4 and HOXA9 in CD34+ cells. We observed a direct correlation between peripheral number of CD4+ T lymphocytes and the HSCs/HPCs proliferation ability in our study.
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