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HIV entry into human cells is mediated by CD4 acting in concert with one of several members of the chemokine receptor superfamily. The resistance to HIV infection observed in individuals with defective CCR5 alleles indicated that this particular chemokine receptor plays a crucial role in the initiation of in vivo HIV infection. Expression of human CD4 transgene does not render mice susceptible to HIV infection because of structural differences between human and mouse CCR5. To ascertain whether expression of human CD4 and CCR5 is sufficient to make murine T lymphocytes susceptible to HIV infection, the lck promoter was used to direct the T cell-specific expression of human CD4 and CCR5 in transgenic mice. Peripheral blood mononuclear cells and splenocytes isolated from these mice expressed human CD4 and CCR5 and were infectible with selected M-tropic HIV isolates. After in vivo inoculation, HIV-infected cells were detected by DNA PCR in the spleen and lymph nodes of these transgenic mice, but HIV could not be cultured from these cells. This indicated that although transgenic expression of human CD4 and CCR5 permitted entry of HIV into the mouse cells, significant HIV infection was prevented by other blocks to HIV replication present in mouse cells. In addition to providing in vivo verification for the important role of CCR5 in T lymphocyte HIV infection, these transgenic mice represent a new in vivo model for understanding HIV pathogenesis by delineating species-specific cellular factors required for productive in vivo HIV infection. These mice should also prove useful for the assessment of potential therapeutic and preventative modalities, particularly vaccines.

BRCA1 and BRCA2 pathogenic variant carriers have a high lifetime risk of developing breast and ovarian malignancies. Given the risks and significant ramifications of undergoing risk‐reducing surgeries, many pathogenic variant carriers unaffected by cancer (previvors) struggle with family planning and reproductive decision making. The objective of this study was to determine the attitudes and practices of BRCA1 and BRCA2 pathogenic variant carriers with respect to family planning decision making. A cross‐sectional survey was conducted of BRCA1 and BRCA2 previvors at four Northeastern medical centers. The survey was administered electronically via email using REDCap. The survey included demographic information as well as questions about genetic testing, prophylactic surgeries, family planning, and partnering. Data were analyzed with Fisher's exact tests and t tests. The survey was completed by 139 of 422 BRCA1 and BRCA2 pathogenic variant carriers (response rate 33%). Thirteen were excluded from analysis due to self‐reported cancer history. Of the remaining 126, 21 (16.7%) were male and 105 (83.3%) were female. Female participants <35 years old at the time of genetic testing were significantly more likely than those 35 or greater to report feeling urgency to have a family after finding out about their BRCA1 and BRCA2 pathogenic variant (p < 0.0001). Younger women also reported their genetic status had a stronger impact on their romantic relationships (p = 0.029). Men were significantly more likely to report that they felt no urgency to have a family compared to women (p < 0.0001). Our study reflects the complex decision making for previvors and the intricacies of family planning in this population. Providers can use this knowledge as a guide to counsel patients about reproductive options. [ABSTRACT FROM AUTHOR]

Introduction and hypothesis: Routine assessment of frailty preoperatively is recommended for older adults, because frailty is associated with adverse surgical outcomes. This study was aimed at describing the percentage of patients whose frailty status was correctly categorized by Female Pelvic Medicine and Reconstructive Surgery (FPRMS) providers and to determine patient predictors of accurate categorization. Methods: Cross-sectional study was carried out of English speaking, new patients, >65 years old, presenting from March to June 2018. Providers categorized patients as frail, pre-frail, or not frail based on clinical impression. Frailty was defined using the Fried Frailty Assessment (FFA), a validated, objective measure including weight loss, exhaustion, physical activity, walk speed, and grip strength. Provider categorizations were compared with FFA results. Multiple logistic regression was used to estimate patient predictors of frailty categorization. Data from other fields that approximated a 45% proportion of miscategorization guided sample size estimates. Results: Ten FPMRS providers participated, and 106 out of 110 patients (96%) had complete data. Primary diagnoses were pelvic organ prolapse (37%), incontinence (20%), and overactive bladder (17%). On FFA, 16 (15%) patients were frail, 50 (47%) were pre-frail, and 40 (38%) were not frail. The overall proportion of miscategorization was 58% (95% confidence interval 49–68%). Providers correctly categorized 50% of frail patients, 34% of pre-frail patients, and 48% of non-frail patients. Slow walk time was associated with provider categorization of frailty, regardless of frailty status (p = 0.01). Conclusions: Clinical impression may not adequately assess frailty. Miscategorization of frailty by FPMRS providers was higher than in other fields. [ABSTRACT FROM AUTHOR]

Introduction and hypothesis: The benefits of peer support for pelvic floor disorders are unclear. We hypothesize that perioperative peer support might be associated with greater preoperative preparedness compared with usual care in women undergoing pelvic reconstruction. Methods: A multicenter prospective cohort study of women undergoing pelvic reconstruction compared peer support (group or one-to-one) with usual care. The primary outcome was preparedness, measured by a Preoperative Preparedness Questionnaire at baseline and before surgery. Assuming 48% preparedness in usual care preoperatively, 44 women per group (Group, One-to-One, or Usual care) would detect a 30% difference in preparedness (alpha = 0.05, 80% power). Chi-squared or Fisher's exact test compared categorical variables, t test and analysis of variance compared continuous variables, independent sample tests compared changes in mean or composite scores, and multiple logistic regression estimated the effect. Results: One hundred and sixty-eight patients were included (113 with peer support, 55 undergoing usual care). A greater proportion of women in peer support had college or higher education versus usual care (78 vs 58%, P = 0.02). After the intervention, the proportion of women feeling prepared was not different between groups (66 vs 63%, P = 0.9). However, a greater proportion in peer support reported improved preparedness from baseline compared with usual care (71 vs 44%, P = 0.001). Peer support was associated with improved preparedness on multiple regression adjusting for age, study site, education, and surgery type (OR 4.14, 95% CI 1.69, 10.14). Conclusion: Peer support was associated with improved preoperative preparedness compared with usual care, but did not result in a greater proportion of women feeling prepared before surgery. [ABSTRACT FROM AUTHOR]

Purpose: To assess whether women with endometrial cancer could accurately classify their weight and identify the association between obesity and risk of endometrial, breast, and colon cancers.Methods: This was an IRB-approved (Project No. 14-0075), survey-based cross-sectional study of women ages 18-80 years with a diagnosis of endometrial cancer. Patients were at least 6 months from hysterectomy and 3 months from chemotherapy or radiation. Statistical analysis was completed using Fisher's exact test, T test, ANOVA, Wilcoxon rank-sum test, or Kruskal-Wallis test. P values were two-tailed with P < 0.05 considered statistically significant.Results: 140 women met inclusion criteria, and 133 questionnaires (95.0%) were completed. Mean age was 63.2 years (range 35-80), and mean BMI was 33.4 kg/m2 (range 17.6-72.2). Patients were primarily Caucasian (88.7%) and reported education beyond high school (67.8%). Among women with BMI 30.0-34.99 kg/m2, 12.9% perceived themselves as obese, compared to 32.0% of women with BMI 35.0-39.99 kg/m2, and 72.7% of women with BMI >40.0 kg/m2. Ability to correctly classify weight correlated significantly with education level (P = 0.02). Less than half of women identified obesity as a risk factor for breast (49.6%), colon (48.1%), and endometrial cancer (44.4%). 77% of all patients had discussed weight with their primary care doctor, and 38% had discussed weight with their oncologist (P < 0.001).Conclusions: The majority of obese women with endometrial cancer surveyed were unable to accurately classify their weight. Given the inconsistency between patient weight and perception of cancer risk, this represents an opportunity for gynecologic oncologists to educate their patients about weight control. [ABSTRACT FROM AUTHOR]