Vaccines versus immunotherapy: overview of approaches in deciding between options

This review compares the optimal use of vaccines vs. other forms of immunotherapy, which includes cytokines, such as IL-2, monoclonal antibodies, such as the 'checkpoint inhibitors', against CTLA-4 and PD-1. The review includes both prophylactic and therapeutic vaccines using a variety of technologies. It is already established that vaccines can be enhanced by other immunotherapies, such as cytokines (IL-2) and there is scope for combining both of these with the 'checkpoint' antibodies. Moreover, both can be enhanced with other modalities, such as radiotherapy, ablative therapy and both high and low dose chemotherapies.

Healthcare provider challenges to early detection of cervical cancer at primary healthcare level in Rwanda

Our objective was to assess the health facility related factors that cause delays in cervical cancer diagnosis at a primary healthcare level in Rwanda. Healthcare providers in outpatient clinics at 10 health centers in Kigali city and the Eastern province of Rwanda were surveyed. Eighty-five healthcare providers participated; 83.5% were nurses and the remainder were midwives. Only 15 (17.6%) reported prior training on visual inspection with acetic acid (VIA) cervical cancer screening, and they were distributed among 6 of the 10 health centers surveyed. However, 76.5% of respondents reported that at least one person was trained in VIA at their health center. The basic equipment necessary for cervical cancer evaluation was reported to be generally available. Overall, only 31.8% of participants had good basic knowledge level on cervical cancer screening. No association was found between respondents' knowledge about cervical cancer screening and profession, education level, work experience or reported prior training on VIA. There is a gap in the number of primary healthcare providers with the skills to perform pelvic exam and VIA cervical cancer screening at health centers in Rwanda. As health centers are the first point of contact for patients with the healthcare system, there is a need to improve their knowledge and skills in performing cervical cancer screening and detection.

Association of Kaiso and partner proteins in oral squamous cell carcinoma

Objectives

1. Identification of protein expression and subcellular localization of E-cadherin (E-cad), p120 catenin (P120ctn), and Kaiso in oral cancer (OC). 2. To study the protein expression of cyclin D1 and c-Myc (Kaiso targets) and determine their relationship with the expression and localization of Kaiso.

Methods

Histological grading was performed in accordance with Broder's criteria. Expression and localization data for E-cad, p120ctn, Kaiso, cyclin D1, and c-Myc were acquired using immunohistochemistry. Data were analyzed using SPSS version 21. The chi-square test was used to measure the statistical significance of associations, with p < 0.05 as statistically significant.

Results

Of 47 OC cases, 36% showed low E-cad expression and 34% showed low p120ctn. Low Kaiso expression was recognized in 78% of tumor specimens. Aberrant cytoplasmic localization of p120ctn was seen in 80.8% cases. Cytoplasmic Kaiso localization was appreciated in 87% of tumor tissues, whereas 29.7% lacked any nuclear Kaiso. Kaiso expression was significantly associated with the expression of cyclin D1 but not with c-Myc.

Conclusion

The present study identified a change in the localization of Kaiso in OC. The significance of this in relation to OC and tumor prognosis needs to be investigated with further studies using larger sample sizes and more sensitive molecular tools.