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Journal of Cellular Signaling
ISSN: 2692-0638
Volume 6, Issue 4, p126-180
Articles published in this issue are Open Access and licensed under Creative Commons Attribution License (CC BY NC) where the readers can reuse, download, distribute the article in whole or part by mentioning proper credits to the authors.
PAX-Interacting Protein 1 (PTIP) Promotes Apoptosis
PAX-interacting protein 1 (PTIP/PAXIP1) was discovered and initially characterized over three decades ago as a 1,056 amino acid-containing protein with six tandem BReast cancer C-Terminal (BRCT) repeats. PTIP functions broadly to catalyze histone methylation in DNA damage repair and within the hematopoietic lineage, to promote immunoglobulin variable region (variable, diversity, joining [VDJ]) and class switch recombination (CSR).
J Cell Signal, 2025, Volume 6, Issue 4, p126-141 | DOI: 10.33696/Signaling.6.142
A Newly Characterized, Two BRCT Domain-Containing Isoform of PAX-Interacting Protein (PTIP) Generated via Frame Shift and Alternative Pre-mRNA Splicing
In an effort to clone polyglutamine-rich factors from activated B lymphocytes of mice, we discovered and describe here a previously uncharacterized isoform of PTIP/PAXIP1. By virtue of a two-nucleotide frameshift followed by alternative pre-mRNA splicing, this shorter isoform of 576 amino acids (termed PTIP576) retained only the two central BRCT domains of previously characterized PTIP and encodes a unique and structurally disordered 50 residue C-terminus.
J Cell Signal, 2025, Volume 6, Issue 4, p142-155 | DOI: 10.33696/Signaling.6.143
Pathogenic Pathways and Therapeutic Strategies in Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Autosomal dominant polycystic kidney disease (ADPKD) is the most common inherited kidney disorder and a major cause of end-stage renal disease. The disorder is primarily caused by pathogenic variants in PKD1 or PKD2, which encode the ciliary proteins polycystin-1 and polycystin-2. Loss of polycystin function disrupts calcium and cAMP signaling within the primary cilium, altering epithelial proliferation and fluid secretion that drive cyst formation and progressive kidney enlargement.
J Cell Signal, 2025, Volume 6, Issue 4, p156-169 | DOI: 10.33696/Signaling.6.144
Ubiquitination of Metabotropic Glutamate Receptors and Associated Synaptic Proteins In Vitro and In Vivo
Metabotropic glutamate (mGlu) receptors are a family of G protein-coupled receptors. These receptors are widely distributed in the brain and are critical for the modulation of synaptic transmission and plasticity. Emerging evidence shows that mGlu receptors themselves are subject to a dynamic posttranslational modification involving protein ubiquitination.
J Cell Signal, 2025, Volume 6, Issue 4, p170-177 | DOI: 10.33696/Signaling.6.145
When Cells Speak in Many Languages: The Evolving Story of Cellular Signaling
The current issue of the Journal of Cellular Signaling brings together a diverse set of studies that collectively broaden our understanding of cellular communication, from canonical biochemical pathways to emergent bioelectric and metabolic signaling systems. This editorial review synthesizes the major findings and conceptual advances presented in Volume 6 Issue 3, highlighting the converging trends that redefine how we view signaling as an integrative, dynamic, and multi-dimensional process.
J Cell Signal, 2025, Volume 6, Issue 4, p178-180 | DOI: 10.33696/Signaling.6.146
Prevalence of Symptom Clusters in Cancer Patients at First Presentation in Palliative Care Clinic as per Different Disease Groups
Cancer has its own disease burden and patients usually suffer from symptom clusters when they are referred for palliative treatment. Identification of symptom cluster trajectories will help clinician to take into account measures that can optimize quality of life of palliative patients. Therefore the aim of this paper is to determine the overall prevalence of symptoms and symptoms clusters in different disease groups according to etiology at the time of first visit to Palliative care clinic by using HIS Palliative First Assessment note indicating Edmonton symptom scale.
Chimeric Antigen Receptor CAR NK Cells Emerging Immunotherapy for the Treatment of Cancer
Although NK cells are recognized as effector lymphocytes of the innate immune system, they also regulate the adaptive immune response by releasing inflammatory cytokines and developing immunological memory. Unlike other lymphocytes such as T or B cells, NK cells do not express rearrangeable, antigen-specific receptors.
Emerging Role of TRPML1 Mucolipin Endolysosomal Channel in Cancer
The transient receptor potential mucolipin 1 (TRPML1) is an endolysosomal channel belonging to the TRP family. Clinically, mutations of TRPML1 have been responsible for a severe lysosomal storage disorder called mucolipidosis type IV.
Ubiquitin Proteasome System Regulates Biological Particles Interaction in Particle Disease (PD) via NF-κB Signaling
Considering their outstanding mechanical character, it is inevitable to utilize titanium and titanium composite for biomedical engineering application [1-6]. However, the particles releasing from these bulks or composites of biomaterials after long term implanting in human body will cause cell apoptosis or cell death, inflammation, bone
Uniportal VATS Lobectomy for Lung Cancer: Feasibility and Cost Effectiveness in a Single Center Experience
In last decades, video-assisted thoracic surgery (VATS) together with robotic-assisted thoracic surgery (RATS) can be considered the biggest innovation in thoracic surgery. This approach drastically changed the way of performing surgical operations, improving patient’s outcome undergoing thoracic surgery.
Circulating Cell-Free RNA: A New Perspective for Endometrial Cancer
In order to implement the knowledge of cancer to monitor its evolution and setting, in the last decade, new minimally invasive and repeatable samples collection have been developed such as liquid biopsy. Cancer biomarkers originating from tumors can represent the molecular status of the tumor or its metastases which release them directly into body fluids or indirectly due to disruption of tumor/metastatic tissue. These biomarkers are detectable in liquid biopsy.
DNA Nanotechnology Engineered Vesicle for Mimicking Biomolecular Signaling
Bio-inspired strategy is kind of interesting to fabricate devices and perform dynamic operations [1]. Various devices have been made, such as airplane, radar and submarine. In life science, as the fundamental entity, million years’ evolution enables cell becomes the most successful functionality.
Searching for Easy Reliable Prognostic Parametres in Colorectal Cancer Patients Evaluation
Tumor node metastasis (TNM) staging system is the most useful method in predicting prognosis of colorectal cancer (CRC), the third most common cause of death worldwide, even if other biological markers are currently under evaluation to assess their role in affecting CRC outcome and planning the best tailored therapeutic approach. Several molecular factors are being demonstrated to be effective in influencing both overall survival (OS) and disease-free survival (DFS) in CRC, acting on different aspects of tumor promoting and progression.
Deubiquitinase as Potential Targets for Cancer Immunotherapy
During the last few decades, immunotherapy is considered to be an important approach to help our immune system to fight various kinds of diseases, such as tumor. Sometimes, it works very well for some types of cancers, for example: bladder cancer, colorectal cancer, breast cancer and lymphoma.
Distinct Phosphorylation of STAT1 Confers Distinct DNA Binding and Gene-regulatory Properties
Signal transducer and activator of transcription 1 (STAT1) protein plays a pivotal role in various biological processes especially the regulation of innate and adaptive immune responses. Phosphorylation represents a key step in the activation of STAT1 and its transcriptional outcome. Binding of various extracellular ligands to their specific cell-surface receptors activates different phosphorylation of STAT1 followed by a distinct change of gene expression patterns.
How Well Do Hemodialysis Patients Respond to the BNT162b2 mRNA COVID-19 Vaccine?
In January 2020, the World Health Organization (WHO) classified COVID-19 to be a Public Health Emergency of International Concern and declared it a pandemic on March 11, 2020 [1]. Over one hundred and eighty-five million people have been infected by SARS-CoV-2 and roughly four million have died worldwide so far
Ramifications of the Diverse mRNA Patterns in Acanthamoeba royreba
Acanthamoeba was first described by Castellani and represents single-cell eukaryotes existing as either cellular trophozoites (25–40 ?m) or under adverse conditions (desiccation, lack of food, and extreme pH or temperature fluctuations), as dormant cysts (13–20 ?m). The cysts are known to be resistant to antibiotics, the effects of chlorine, and very low temperatures, and have been shown to maintain viability for over 20 years.
Synthetic Lethal Drug Combinations Targeting Proteasome and Histone Deacetylase Inhibitors in TP53-Mutated Cancers
Background: We have recently published SL-BioDP, a web resource for querying, exploration and visualization of potential synthetic lethal targets and possible synergistic drug combinations for 18 cancer types. Methods: From our predictive synthetic lethality model used in SL-BioDP, we inferred TP53 mutation lead to potential synergistic drug combination of Bortezomib and Vorinostat. Here we show, how to extrapolate the drug combination results by combining drug screening data from cancer cell lines and showed the potential synergy of the drug targets, proteasome, and histone deacetylase (HDAC) pathways respectively, for patient survival advantage.
Role of the Gut Microbiome in the Modulation of Cancer Immunotherapy Response
The gut microbiome or gut flora is a vast community of microorganisms such as bacteria, viruses, protozoa, and fungi that inhabit the digestive tract of the human and other animals. In the human body, bacterial species colonize into the oral cavity, skin, vagina, and placenta, however, the largest population of microorganisms resides in the intestine. The majority of gut microbiota belong to the phyla Firmicutes, Bacteroidetes, Proteobacteria and Actinobacteria.
Do Support Vector Machines Play a Role in Stratifying Patient Population Based on Cancer Biomarkers
Cancer is a worldwide public health issue that affects millions of people every year. In 2018 there were 17 million newly documented cases of cancer globally (8.8 million in men and 8.2 million in women), leading to 9.6 million deaths. Cancer is a vastly heterogeneous disease, with over 100 different types of cancer currently identified in humans; the most common types of cancer are lung, female breast, bowel and prostate, these four types account for more than 40% of all new cancer case
Prognostic Role of Human Epididymis Protein 4 (HE4) in Ovarian Cancer Treatment: Our Point of View
In the last 10 years, the marker “Human Epididymis protein 4 (HE4)” for the management of gynecological tumors has entered powerfully in the world literature. At the moment, carrying out an accurate research in the main scientific portals such as PubMed, we can find more than 2,000 works concerning Cancer antigen-125 (Ca125), but those concerning HE4 are less than 400. The assessment of the prognostic significance of Ca125 has been described in more than 1000 scientific papers, whereas in the case of HE4 such works are only about 100.
Sentinel Lymph Node Biopsy after Neoadjuvant Chemotherapy for Breast Cancer
Breast cancer is the second most common cancer worldwide, affecting nearly one in eight women. Accurate cancer staging is essential for determining the patient’s prognosis and for choosing the appropriate treatment. The staging system most often used is the American Joint Committee on Cancer (AJCC) TNM system, where T refers to the size of the tumor, N refers to spread of the primary cancer to nearby lymph nodes, and M refers to the spread of metastasis to distant sites in the body.
Platelet Hyperactivity and Dysfunction in Diabetes and Cancer
However, the entire coagulation cascade is dysfunctional, in progressed chronic diabetes and cancer patients. Platelets (PLTs) in type 2 diabetic (DT2) involved in Thrombosis and Haemostasis (T&H) of individuals adhere to vascular endothelium and aggregate more voluntarily than those in healthy individuals, as are abnormalities in the microvascular and macrovascular circulations. However it is already known that the circulating PLTs are essential for T&H, inflammation growth factors delivery, regeneration; and knowledge of their function is fundamental to understanding the pathophysiology of vascular disease in diabetes and cancer-related diseases.
Development of HPV 16/18 E6 Oncoprotein Paperbased Nanokit for Enhanced Detection of HPV 16/18 E6 Oncoprotein in Cervical Cancer Screening
According to global cancer statistics GLOBOCAN, carcinoma of cervix is ranked as the fourth most common malignancy among women worldwide with an estimation of 570,000 cases and 311,000 deaths in 2018. It is the second most common female malignancy in Lowand- Middle Income Countries (LMICs). In Kenya, the prevalence is 25 cases per 100,000 women. Approximately 75% cases of cervical cancer are caused by persistent infections of the cervical mucosal epithelium with carcinogenic types of human papillomaviruses (HPVs) mainly 16 and 18.
Gastric Cancer: A Brief Review, from Risk Factors to Treatment
Gastric cancer (GC), also known as stomach cancer, is a worldwide health problem. Anatomically, it can occur from the gastroesophageal junction to distal portions of the stomach. Considering both sexes, worldwide, it is the 5th most common neoplasm (5.7%) and the 3rd cause of mortality among malignancies, leading to approximately 782,000 deaths in 2018. The incidence varies geographically but 50% of new cases are diagnosed in developed countries. High incidence is observed in Asia, Latin America, and in the central and eastern parts of Europe. There are several ways to classify GC, but the most used is Lauren’s Classification, which proposes two main histological groups: intestinal and diffuse. This classification is important because there are marked etiological, pathological, and epidemiological differences between the subgroups, guiding the clinical approach for each patient.
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