We investigated the therapeutic effects of a combination of chemotherapy with adoptive immunotherapy on BMT-11 fibrosarcoma in C57BL/6 mice. Although no significant therapeutic effects were brought about by CY alone or LAK.rIL-2 alone, CY plus LAK/rIL-2 brought about significant therapeutic effects such as a reduced proportion of dead mice (63%) and prolongation of the mean survival times of dead mice (64.4 days). We transferred radioactive 111In-labeled effector cells into untreated and CY-treated tumor bearing mice. LAK cell-accumulation (% dose/g) at the tumor site was only 2.7% in untreated mice and 19.7 in CY-treated mice. On the other hand, CTL.rIL-2 therapy exhibited significant therapeutic effects by itself. The accumulation of CTL was 9.1% in untreated tumors and only slightly enhanced by CY-chemotherapy. These results suggest that the therapeutic effects of adoptive immunotherapy depend on the accumulation of transferred effector cells at the tumor site and are augmented by the enhanced accumulation of effector cells after chemotherapy.

Download full-text PDF

Source

Publication Analysis

Top Keywords

therapeutic effects
20
effector cells
12
lak cell-accumulation
8
adoptive immunotherapy
8
dead mice
8
tumor site
8
therapeutic
6
mice
6
effects
5
[augmentation lak
4

Similar Publications

Background: Water retention, ultrafiltration insufficiency, and metabolic complications due to abnormally high glucose concentrations are still common problems in patients treated with peritoneal dialysis. Phloretin, a nonselective inhibitor of facilitative glucose transporter channels (GLUT), has shown to improve water transport and lower glucose absorption in experimental peritoneal dialysis. However, the dose-response relationship remains unknown, and we therefore performed a dose-response study to elucidate the pharmacodynamic properties of intra-peritoneal phloretin therapy.

View Article and Find Full Text PDF

Angiogenesis is a complex physiological process. In recent years, the immune regulation of angiogenesis has received increasing attention, and innate immune cells, which are centred on macrophages, are thought to play important roles in vascular neogenesis and development. Various innate immune cells can act on the vasculature through a variety of mechanisms, with commonalities as well as differences and synergistic effects, which are crucial for the progression of vascular lesions.

View Article and Find Full Text PDF

Research progress of femoral head necrosis in HIV-infected patients.

Ann Med

December 2025

Department of Joint and Sports Medicine, Zhongnan Hospital, Wuhan University, Wuhan, China.

As life expectancy among patients infected with the human immunodeficiency virus (HIV) increases, a growing number of complications have been observed. This population displays an elevated risk of ischemic necrosis of the femoral head in comparison to the general population, which may be attributed to HIV infection, antiretroviral medication use, and hormone application. Patients infected with the human immunodeficiency virus (HIV) who also have necrosis of the femoral head tend to present at an earlier age, with a rapid disease progression and a high incidence of bilateral onset.

View Article and Find Full Text PDF

Corneal Stromal Stem Cell-Derived Extracellular Vesicles Attenuate ANGPTL7 Expression in the Human Trabecular Meshwork.

Transl Vis Sci Technol

January 2025

Department of Ophthalmology, Stein Eye Institute, David Geffen School of Medicine, University of California, Los Angeles, CA, USA.

Purpose: Regulating intraocular pressure (IOP), mainly via the trabecular meshwork (TM), is critical in developing glaucoma. Whereas current treatments aim to lower IOP, directly targeting the dysfunctional TM tissue for therapeutic intervention has proven challenging. In our study, we utilized Dexamethasone (Dex)-treated TM cells as a model to investigate how extracellular vesicles (EVs) from immortalized corneal stromal stem cells (imCSSCs) could influence ANGPTL7 and MYOC genes expression within TM cells.

View Article and Find Full Text PDF

Clinical Characteristics and In Vivo Confocal Microscopic Study in Candida Keratitis.

Transl Vis Sci Technol

January 2025

Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China.

Purpose: To clarify the clinical and imaging characteristics of Candida keratitis using in vivo confocal microscopy (IVCM) for improved early diagnosis and management.

Methods: A retrospective study of 40 patients with Candida keratitis at Beijing Tongren Hospital from January 2015 to December 2023 was conducted. Data included demographics, risk factors, clinical assessments, lab tests, and IVCM images.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!