Functional Endoscopic Sinus Surgery in Management of Pott's Puffy Tumor in a Pregnant Woman: A Clinical Case Report and Literature Review.

PPT is a life-threatening intracranial complication, which is essential to be considered in both children and adults presenting with sinusitis symptoms.

The Circulasome: A Unifying Theory of Flap Vascularity.

Despite the critical roles of nondominant perforators, choke vessels, and direct and indirect linking vessels in flap vascularity, current models of flap perfusion focus on a primary large caliber perforators. The delay phenomenon, microvascularization, neovascularization, and vascular evolution, which depend on smaller caliber vessels, remain unaccounted for. We propose that the "circulasome" consists of the sum of the entire vascular components of a given region, such that the region is supplied by a primary supplying vessel.

Harnessing natural killer cells for refractory/relapsed non-Hodgkin lymphoma: biological roles, clinical trials, and future prospective.

Non-Hodgkin lymphomas (NHLs) are heterogeneous and are among the most common hematological malignancies worldwide. Despite the advances in the treatment of patients with NHLs, relapse or resistance to treatment is anticipated in several patients. Therefore, novel therapeutic approaches are needed.

Nontopical Nitrates in Flap Perfusion and Delay Phenomenon.

Background: Topical nitrates have demonstrated efficacy in improving flap perfusion. However, evidence for nontopical nitrates in modulation of flap perfusion dynamics has yet to be consolidated. Here, we review evidence regarding the use of intravascular, sublingual, and oral nitrates in modulating flap perfusion.

Strangulated Indirect Inguinal Hernia-Containing Bladder: A Case Report.

Inguinal hernias involving the bladder are exceedingly rare and pose a diagnostic challenge. Identifying bladder involvement within an inguinal hernia is imperative to avoid iatrogenic bladder injuries and subsequent complications. Here we discuss a case of inguinal bladder herniation and bladder visualization using methylene blue dye intraoperatively.

Modulation of Cellular Stemness for Enhanced Fat Grafting.

Low volumetric retention limits the utility of fat grafting. Although inclusion of stem cells and platelet-rich plasma have been proposed to enhance graft retention, accumulating evidence has failed to show a clear benefit. Here, we propose a strategy to pharmacologically enhance stemness of stem and progenitor cell populations in fat grafts to promote increased volume retention and tissue health.

Analysis of Major and Minor Pedicles in Flap Perfusion by Computational Fluid Dynamics.

Background: Type 2 muscle flaps are characterized by major and minor pedicles, such that the minor pedicle is unreliable, and the major pedicle is a requirement for the success of the flap. The role of the minor pedicle, beyond the decreased caliber and decreased vascular territory in comparison to the major pedicle, is poorly understood. We sought to model the fluid dynamics of a model flap containing a major and minor pedicle to understand differences between the pedicles and the implications on perfusion.

Cytokine-Induced Memory-Like NK Cells: Emerging strategy for AML immunotherapy.

Acute myeloid leukemia (AML) is a heterogeneous disease developed from the malignant expansion of myeloid precursor cells in the bone marrow and peripheral blood. The implementation of intensive chemotherapy and hematopoietic stem cell transplantation (HSCT) has improved outcomes associated with AML, but relapse, along with suboptimal outcomes, is still a common scenario. In the past few years, exploring new therapeutic strategies to optimize treatment outcomes has occurred rapidly.

Update on immune-based therapy strategies targeting cancer stem cells.

Accumulating data reveals that tumors possess a specialized subset of cancer cells named cancer stem cells (CSCs), responsible for metastasis and recurrence of malignancies, with various properties such as self-renewal, heterogenicity, and capacity for drug resistance. Some signaling pathways or processes like Notch, epithelial to mesenchymal transition (EMT), Hedgehog (Hh), and Wnt, as well as CSCs' surface markers such as CD44, CD123, CD133, and epithelial cell adhesion molecule (EpCAM) have pivotal roles in acquiring CSCs properties. Therefore, targeting CSC-related signaling pathways and surface markers might effectively eradicate tumors and pave the way for cancer survival.

SARS-CoV-2 infection dysregulates NAD metabolism.

Introduction: Severe COVID-19 results initially in pulmonary infection and inflammation. Symptoms can persist beyond the period of acute infection, and patients with Post-Acute Sequelae of COVID (PASC) often exhibit a variety of symptoms weeks or months following acute phase resolution including continued pulmonary dysfunction, fatigue, and neurocognitive abnormalities. We hypothesized that dysregulated NAD metabolism contributes to these abnormalities.

Intra-lesion injection of activated Natural Killer (NK) cells in recurrent malignant brain tumors.

Despite multi-modal therapies for patients with malignant brain tumors, their median survival is < 2 years. Recently, NK cells have provided cancer immune surveillance through their direct natural cytotoxicity and by modulating dendritic cells to enhance the presentation of tumor antigens and regulate T-cell-mediated antitumor responses. However, the success of this treatment modality in brain tumors is unclear.

Unfolded protein response and angiogenesis in malignancies.

Cellular stress, arising from accumulation of unfolded proteins, occurs frequently in rapidly proliferating cancer cells. This cellular stress, in turn, activates the unfolded protein response (UPR), an interconnected set of signal transduction pathways that alleviate the proteostatic stress. The UPR is implicated in cancer cell survival and proliferation through upregulation of pro-tumorigenic pathways that ultimately promote malignant metabolism and neoangiogenesis.

The Comparison of Color Stability of Aloe Vera Gel and Chlorhexidine Solution on Acrylic Teeth.

Background: There is insufficient knowledge about aloe vera color change property on acrylic teeth compared to other denture cleaners, especially chlorhexidine solution (CHX).

Objective: The present study aimed to compare the color change property of the aloe vera and chlorhexidine solution on denture acrylic teeth.

Methods: This study was experimental in vitro study design conducted in the dental laboratory of Tabriz University of Medical Sciences, Iran, 2021.

Targeting TRAF3IP2 inhibits angiogenesis in glioblastoma.

Increased vascularization, also known as neoangiogenesis, plays a major role in many cancers, including glioblastoma multiforme (GBM), by contributing to their aggressive growth and metastasis. Although anti-angiogenic therapies provide some clinical improvement, they fail to significantly improve the overall survival of GBM patients. Since various pro-angiogenic mediators drive GBM, we hypothesized that identifying targetable genes that broadly inhibit multiple pro-angiogenic mediators will significantly promote favorable outcomes.

Optimization of Glucose-Regulated Protein 94/Glycoprotein 96 Expressions in Mammospheres; Implication for Breast Cancer Immunotherapy.

Objective: The induction of immunity against cancer stem cells (CSCs) can boost the efficiency of cancer vaccines. Heat shock proteins (HSPs) are required for the successful activation of anti-tumor immune responses. Glycoprotein 96 (gp96) is a well-known HSP that promotes the cross-presentation of tumor antigens.

Epitranscriptomics of SARS-CoV-2 Infection.

Recent studies on the epitranscriptomic code of SARS-CoV-2 infection have discovered various RNA modifications, such as N6-methyladenosine (m6A), pseudouridine (Ψ), and 2'-O-methylation (Nm). The effects of RNA methylation on SARS-CoV-2 replication and the enzymes involved in this mechanism are emerging. In this review, we summarize the advances in this emerging field and discuss the role of various players such as readers, writers, and erasers in m6A RNA methylation, the role of pseudouridine synthase one and seven in epitranscriptomic modification Ψ, an isomer of uridine, and role of nsp16/nsp10 heterodimer in 2'-O-methylation of the ribose sugar of the first nucleotide of SARS-CoV-2 mRNA.

Report of 13-year survival of patients with colon and rectal cancers; lessons from Shiraz colorectal cancer surgery registry system of a level three medical center.

Background: Colorectal cancer (CRC) is the second most common cancer in women and the third most common cancer in men worldwide, with an increasing trend in its incidence in Asian countries. In the present study, we aimed to describe the 13-year results of patients with CRC based on the Shiraz Colorectal Cancer Surgery (SCORCS) registry system in patients with a pathologically confirmed diagnosis of colon cancer (CC) and rectal cancer (RC) undergoing surgery.

Methods: Between 2007 and 2020, 811 patients, including 280 patients with CC and 531 patients with RC, registered in SCORCS, were included in the present study.

A review of utilities and costs of treating upper extremity amputations with vascularized composite allotransplantation versus myoelectric prostheses in Canada.

Background: Hand vascularized composite allotransplantation (VCA) and myoelectric prostheses have proven their efficacy for treating hand amputation. Despite reported functional outcomes, the lack of consensus on VCA versus myoelectric prostheses brought us to report on their utilities and costs within the Canadian healthcare system.

Methods: A review of utility outcomes and costs was performed for VCA and myoelectric prostheses and a comparison between unilateral versus bilateral amputations was made.

Engineering monoclonal antibodies for COVID-19 prophylaxis.

The therapeutic and prophylactic uses of monoclonal antibodies (mABs) against SARS-CoV-2 are limited by their short half-life and need for intravenous delivery. In this issue, Cobb et al. engineer a neutralizing mAB cocktail with extended half-life that can be delivered intramuscularly to provide prophylactic protection against infection in rhesus macaques.

Applying Health Utility Outcome Measures and Quality-Adjusted Life-Years to Compare Hand Allotransplantation and Myoelectric Prostheses for Upper Extremity Amputations.

Background: An amputation of the upper extremity not only is devastating for the patient's physical, emotional, and social well-being but also constitutes a financial stress for both the patient and the health care system. The objective of this study was to determine the utility and quality-adjusted life-years of hand allotransplantation versus myoelectric prostheses and to compare these measures in patients afflicted with unilateral versus bilateral amputations.

Methods: A survey was administered on bilateral amputees, unilateral amputees, replantation patients, and healthy controls.

Effectiveness of Three Physical Treatments on Pain Perception and Emotional State in Males with Chronic Joint Pain.

This study investigated the effects of massage therapy (MT), high-intensity interval training (HIIT), and neuromuscular electrical stimulation (NMES) as three physical therapies on pain perception and negative emotional state (NES) in males with chronic joint pain (CJP). This double-blind randomized experimental study was done with three pretest, posttest, and follow-up stages within three experimental groups and the control group. Participants recruited by a random sampling method in each group that they were 160 patients with CJP.

A comparative study of the perceptions of family members patients hospitalized in intensive and cardiac care units (CCU and ICU) in regard to the importance of family needs in Golestan University of Medical Sciences 2020.

Introduction: Intensive care units (ICUs) cause double stress and tension in hospitalized patients' family members. Improving care quality in these wards requires estimating the importance of the families' needs by the nurses. Therefore, the present research was designed to determine and compare the perceptions of family members of the patients hospitalized in the ICUs and cardiac care units (CCUs) about the importance of family needs and their relationship with some factors in the Golestan University of Medical Sciences, 2020.