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Developing role of B cells in the pathogenesis and treatment of chronic GVHD.

Chronic graft-versus-host disease (cGVHD) is a major complication affecting the long-term survival of patients after allogeneic haematopoietic stem cell transplantation. The mechanism of cGVHD is unclear, and while previous studies have primarily focused on T cells, the role of B cells in the pathogenesis of cGVHD has been less reported. However, current studies on cGVHD are increasingly focused on the important role of B cells. In this review, we will introduce the newest studies and examine the role of B cells in cGVHD in detail with respect to the following aspects: altered B cell subpopula

Pyoderma gangrenosum: pathogenetic mechanisms and their implications for treatment.

Pyoderma gangrenosum (PG) is a rare inflammatory skin disease belonging to the group of neutrophilic dermatoses. The pathogenesis of PG involves a predisposing genetic background that facilitates a dysregulated innate and adaptive immune response, with an imbalance between pro-inflammatory and anti-inflammatory mediators, leading to neutrophil-driven inflammatory damage. Several immunosuppressants and immunomodulatory drugs are currently available for the treatment of PG, in combination with topical therapies, wound management and pain control strategies. Systemic corticosteroids and cyclospor

X-ray and MRI Correlation of Bone Tumors Using Histopathology As Gold Standard.

Introduction Bone tumors are a common pathology of the musculoskeletal system being frequently encountered by clinicians. Radiological workup is a mainstay in the diagnostic workup of bone tumors. This study aimed to highlight the importance of plain radiography and MRI in the diagnosis of bone tumors keeping histopathology as a gold standard. It is a descriptive validation study conducted in the Radiology Department of Pakistan Institute of Medical Sciences Islamabad. Methodology The study included 92 patients with suspected bone lesions. After taking a complete history and receiving informed

Immunotherapies for Aging and Age-Related Diseases: Advances, Pitfalls, and Prospects.

Aging is characterized by a gradual decline in the functionality of all the organs and tissues, leading to various diseases. As the global population ages, the urgency to develop effective anti-aging strategies becomes increasingly critical due to the growing severity of associated health problems. Immunotherapy offers novel and promising approaches to combat aging by utilizing approaches including vaccines, antibodies, and cytokines to target specific aging-related molecules and pathways. In this review, we summarize the recent advancements of immunotherapies to eliminate senescence cells and

Primary hyperparathyroidism-induced brown tumors caused by parathyroid carcinoma: a case report and literature review

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CAR T-Cell Trapy in Rank: Сбалансирование эффективности с проблемами сердечной токсичности.

CAR-T терапия (Chimeric антигенная рецепторная T-клеточная терапия) является новаторским и трансформативным подходом к борьбе с раком, модифицирующим иммунную систему, предусматривающую приемную клеточную терапию. В этой статье содержится исчерпывающая информация об эффективности CAR-T лечения различных видов раковых заболеваний, некоторые из которых, как показывает практика, являются особенно сложными для полной ликвидации раковых заболеваний. Клиническая эффективность терапии CAR-T по сравнению с другими традиционными методами лечения рака, такими, как хирургическое лечение, радиотерапия, вы

Clinical Efficacy and Potential Mechanisms of Acupoint Stimulation Combined With Chemotherapy in Combating Cancer: A Review and Prospects.

Although chemotherapy is the first-line treatment strategy for a variety of tumors, its side effects have limited its efficacy. This review summarizes the progress on the use of acupoint stimulation to combat chemotherapy-associated side effects, including chemotherapy-induced peripheral neuropathy (CIPN), cognitive impairment (CICI), and gastrointestinal toxicity (GI), as well as myelosuppression and immunosuppression. It was found that acupoint stimulation attenuated CIPN and GI by modulating the 5-hydroxytryptamine system in dorsal root ganglia, the dorsal horn of the spinal cord, and the d

Role of denosumab in the management of skeletal complications in patients with bone metastases from solid tumors.

Skeletal-related events (SREs) including pain, fractures, and hypercalcemia are a major source of morbidity for cancer patients with bone metastases. The receptor activator of NF-κB ligand (RANKL) is a key mediator of osteoclast formation and activity in normal bone physiology as well as cancer-induced bone resorption. The first commercially available drug that specifically targets and inhibits the RANKL pathway is denosumab, a fully human monoclonal antibody that binds and neutralizes RANKL, thereby inhibiting osteoclast function. In this review, we summarize the major studies leading to the

New dimensional staging of bisphosphonate-related osteonecrosis of the jaw allowing a guided surgical treatment protocol: long-term follow-up of 266 lesions in neoplastic and osteoporotic patients from the university of bari.

Bisphosphonate-related osteonecrosis of the jaw (BRONJ) is the most serious side effect in patients receiving bisphosphonates (BPs) for neoplastic disease and osteoporosis. The aim of this study is to propose a new dimensional stage classification, guiding the surgical treatment of BRONJ patients, and to evaluate the success rate of this new management. From 2004 to 2013, 203 neoplastic and osteoporotic patients with 266 BRONJ lesions were referred to the Odontostomatology Unit of the University of Bari. All patients underwent surgery after suspension of BPs therapy and antibiotic treatment. T

Chemotherapy-Mediated Complications of Wound Healing: An Understudied Side Effect.

Significance: Chemotherapy is a primary method to treat cancer. While chemotherapeutic drugs are designed to target rapidly dividing cancer cells, they can also affect other cell types. In the case of dermal cells and macrophages involved in wound healing, cytotoxicity often leads to the development of chronic wounds. The situation becomes even more severe when chemotherapy is combined with surgical tumor excision. Recent Advances: Despite its significant impact on patients' recovery from surgery, the issue of delayed wound healing in individuals undergoing chemotherapy remains inadequately ex

TSP-1 interaction with RANK and OPG: implications for bone remodeling and osteolytic bone metastasis.

Excessive bone disruption, driven by upregulation of bone-degrading osteoclasts, occurs in several pathologies, including breast cancer osteolytic bone metastasis, a condition associated with poor prognosis and diminished quality of life for patients. The matricellular protein thrombospondin-1 (TSP-1) plays pleiotropic roles in physiological and pathological remodeling of several tissues, including bone, and in shaping the microenvironment of primary tumors and metastasis. This study aimed to explore the role of TSP-1 in bone remodeling associated with osteolytic bone metastasis. We have ident

Ixazomib Improves Bone Remodeling and Counteracts sonic Hedgehog signaling Inhibition Mediated by Myeloma Cells.

Multiple myeloma (MM) is a clonal B-cell malignancy characterized by an accumulation of plasma cells (PC) in the bone marrow (BM), leading to bone loss and BM failure. Osteolytic bone disease is a common manifestation observed in MM patients and represents the most severe cause of morbidity, leading to progressive skeletal damage and disabilities. Pathogenetic mechanisms of MM bone disease are closely linked to PCs and osteoclast (OCs) hyperactivity, coupled with defective osteoblasts (OBs) function that is unable to counteract bone resorption. The aim of the present study was to investigate t

BDNF improves the survival of mesenchymal stem cells cultured on pre-structured gelatin material containing strontium and calcium phosphates for bone regeneration.

INTRODUCTION: The treatment of osteoporotic fractures is still challenging and may be improved using materials for bone regeneration, such as pre-structured gelatin with calcium and strontium phosphates (PPGC+S), combined with brain-derived neurotrophic factor (BDNF). Recently, it was shown that PPGC+S stimulates bone formation, and BDNF improves cell survival. This study aimed to analyze the combined effect of PPGC+S and BDNF on the survival of mesenchymal stem cells (MSCs) from osteoporotic and non-osteoporotic female donors. METHODS: In our study, cells were seeded on PPGC+S plates with th

Primary tumours of the calcaneus.

The calcaneus is a rare location for the occurrence and development of primary tumour types. Clinicians are unfamiliar with calcaneal tumour types, which may result in a delay in diagnosis or a missed diagnosis, resulting in unnecessary morbidity and amputation. Heel pain and localized swelling of the ankle are the most common symptoms. X-ray is the first choice for a tentative diagnosis of a calcaneal tumour. The final diagnosis depends on a histological examination. The treatment of calcaneal tumour types varies depending on the Enneking system. The majority of patients with benign tumours h

Different origin-derived exosomes and their clinical advantages in cancer therapy.

Exosomes, as a class of small extracellular vesicles closely related to the biological behavior of various types of tumors, are currently attracting research attention in cancer diagnosis and treatment. Regarding cancer diagnosis, the stability of their membrane structure and their wide distribution in body fluids render exosomes promising biomarkers. It is expected that exosome-based liquid biopsy will become an important tool for tumor diagnosis in the future. For cancer treatment, exosomes, as the "golden communicators" between cells, can be designed to deliver different drugs, aiming to ac

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… Exosomes delivered miR-101–3p in vitro and in vivo to inhibit the proliferation, invasion, and migration of oral cancer cell line TCA8113, as well as inhibit tumor growth by targeting and downregulating collagen type X alpha 1 chain (COL10A1) of the collagen family ( 186 ). …

Hematology and Immune-Related Disorders

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Cancer Stem Cells (CSCs), Circulating Tumor Cells (CTCs) and Their Interplay with Cancer Associated Fibroblasts (CAFs): A New World of Targets and Treatments.

The importance of defining new molecules to fight cancer is of significant interest to the scientific community. In particular, it has been shown that cancer stem cells (CSCs) are a small subpopulation of cells within tumors with capabilities of self-renewal, differentiation, and tumorigenicity; on the other side, circulating tumor cells (CTCs) seem to split away from the primary tumor and appear in the circulatory system as singular units or clusters. It is becoming more and more important to discover new biomarkers related to these populations of cells in combination to define the network am

Von Hippel-Lindau Disease: Current Challenges and Future Prospects.

Understanding of molecular mechanisms of tumor growth has an increasing impact on the development of diagnostics and targeted therapy of human neoplasia. In this review, we summarize the current knowledge on molecular mechanisms and their clinical implications in von Hippel-Lindau (VHL) disease. This autosomal dominant tumor syndrome usually manifests in young adulthood and predisposes affected patients to the development of benign and malignant tumors of different organ systems mainly including the nervous system and internal organs. A consequent screening and timely preventive treatment of l

Ирисин предотвращает повреждение трабекулярных костей и проникновение опухоли в мышиную модель множественной миэломы.

Болезни костей, связанные с множественной миеломой (ММ), характеризуются остеолитическими повреждениями и патологическими переломами, которые по-прежнему являются приоритетной терапевтической задачей, несмотря на новые лекарственные средства, способствующие выживанию пациентов с MM. Антирезорптивные молекулы представляют собой главный вариант лечения костного заболевания, связанного с MM (MMBD), в то время как остеоанаболические молекулы в настоящее время изучаются. Среди последних мы здесь сосредоточили внимание на миокиновом ирисине, который способен увеличить массу костей в здоровых мышах,

Dawn of CAR-T cell therapy in autoimmune diseases.

AbstractChimeric antigen receptor (CAR)-T cell therapy has achieved remarkable success in the treatment of hematological malignancies. Based on the immunomodulatory capability of CAR-T cells, efforts have turned toward exploring their potential in treating autoimmune diseases. Bibliometric analysis of 210 records from 128 academic journals published by 372 institutions in 40 countries/regions indicates a growing number of publications on CAR-T therapy for autoimmune diseases, covering a range of subtypes such as systemic lupus erythematosus, multiple sclerosis, among others. CAR-T therapy hold