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Modulating specific biological effects through the changes in cytokine receptors' expression level remains poorly understood. This study aimed to investigate the influence of the dose-dependent effect of TNF on the balance between proapoptotic and proliferation response depending on the parameters of TNFR1/2 expression density.
Tumor cell lines (HEp-2, K-562, MCF-7, ZR-75/1, MOLT-4, IM-9, and Raji) were characterized for TNFR1/2 co-expression using flow cytometry and were studied to reveal the dose-dependent effect of rhTNF on cell cycle and apoptosis parameters. The associations among the studied parameters were estimated by correlation and regression analysis.
It was found for ZR-75/1 cells (the cell line characterized by high expression of both types) that a dose-dependent increase in expression of both types of TNF-α receptors on cells reduces the proliferative activity of cells. For MOLT-4 cells (which are characterized by lower expression), an increase in proliferative response of cells was positively associated with the percentage of both TNFR1+ and TNFR2+ cells. selleck inhibitor However, opposite effects on the cells were shown for the K-562 and MCF-7 lines having a similar expression profile. A similarity (a large percentage of double-positive cells) was revealed for the lines having similar effects (K-562 and ZR-75/1).
High expression of TNF receptor type 1 is not always associated with predominant activation of proapoptotic pathways. However, in the case of simultaneous high expression of both types of receptors, the proportion of double-positive cells is crucial for the activation of either the proapoptotic or proliferation pathways.
High expression of TNF receptor type 1 is not always associated with predominant activation of proapoptotic pathways. However, in the case of simultaneous high expression of both types of receptors, the proportion of double-positive cells is crucial for the activation of either the proapoptotic or proliferation pathways.Idiopathic CD4+ lymphocytopenia (ICL) is the depletion of CD4+ lymphocytes to less then 300 cells/mm3 without human immunodeficiency virus infection or other causes of lymphocytopenia. ICL causes fatal infections; its etiology remains unclear and it lacks consensus regarding therapeutic options. We report the first patient with ICL who had a successful clinical course following a cord blood transplant (CBT). A 45-year-old woman was diagnosed with ICL and underwent partial hepatectomy for an abscess caused by the Mycobacterium avium complex. No specific gene alterations were detected through next generation sequencing-based evaluation. Following a reduced-intensity conditioning (RIC) regimen consisting of fludarabine, busulfan, and 4 Gy total body irradiation, a single-unit CBT was performed. Neutrophils were engrafted on day +14. CD4+ lymphocyte counts increased to over 300 cells/mm3 on day +436. After 75 months, she was alive without any sequelae. CBT with an RIC regimen could be a curable treatment option for ICL.
Sarcopenia is highly prevalent in geriatric rehabilitation inpatients; screening using the Strength, Assistance in walking, Rise from a chair, Climb stairs, Falls history questionnaire (SARC-F) has been recommended. This study assessed the diagnostic accuracy of the SARC-F in identifying sarcopenia according to the European Working Group on Sarcopenia in Older People (EWGSOP), EWGSOP2, and Asian Working Group for Sarcopenia (AWGS) definitions in geriatric rehabilitation inpatients.
REStOring health of acutely unwell adulTs (RESORT) is an observational, longitudinal cohort of geriatric rehabilitation inpatients. The SARC-F was completed for 2 time-points, status at preadmission (1 month before admission) and at admission; a score ≥4 was considered at risk for sarcopenia. Muscle mass (bioelectrical impedance analysis), handgrip strength (handheld dynamometry), and gait speed (4-m walk test) were measured at admission. Diagnostic accuracy was determined by sensitivity, specificity, and area under the curve (ended without screening.
With growing interest in the watch-and-wait strategy, the benefits of avoiding surgery and its complications must be weighed against possible recurrence and need for salvage surgery. However, the relationship between pathologic complete response (pCR) and postoperative complications has not been well established.
This is a retrospective study using the National Surgical Quality Improvement Program Proctectomy and Colectomy Procedure-Targeted databases from 2016 to 2018. The association between pCR and major complications, sepsis, anastomotic leak or organ space infection, return to the operating room, or septic shock was analyzed.
A total of 3,878 rectal cancer patients who received chemotherapy or radiation therapy within 90 days of surgery were included in this study. The pCR rate was 12.8%. There was no statistically significant association between pCR and major complications (adjusted odds ratio (OR) = 0.48, p = 0.12) after risk adjustment. Those with pCR had no statistically significant association with anastomotic leak or organ space infection, return to the operating room, or septic shock but had significantly lower odds of sepsis (adjusted OR = 0.42, p = 0.03).
It is reassuring that pCR is not associated with postoperative complications and that those with pCR are less likely to have postoperative sepsis after risk adjustment since postoperative sepsis after rectal surgery has been associated with poorer oncologic outcomes.
It is reassuring that pCR is not associated with postoperative complications and that those with pCR are less likely to have postoperative sepsis after risk adjustment since postoperative sepsis after rectal surgery has been associated with poorer oncologic outcomes.
A significant proportion of the global population regularly experience air quality poorer than that recommended by the World Health Organization. Air pollution, especially fine particulate matter (PM2.5), is a risk factor for various noncommunicable diseases (NCDs) and is emerging as a risk factor for dementia. To begin to understand the full impact of PM2.5, we review the longitudinal epidemiological evidence linking PM2.5 to both dementia and to other leading NCDs and highlight the evidence gaps. Our objective was to systematically review the current epidemiological evidence for PM2.5 as a risk factor for cognitive decline and incident dementia and to put this in context with a systematic overview of PM2.5 as a potential risk factor in other leading NCDs.
We performed 2 systematic reviews. A high-level review of reviews examining the relationship between PM2.5 and leading NCDs and an in-depth review of the longitudinal epidemiological data examining relationships between PM2.5 incident dementia and cognitive decline.
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